Professor Nikos Ntoumanis

All Stories

1. 
   Development of brief assessment packages of psychosocial constructs related to doping

   Article • Drugs Education Prevention and Policy, November 2024, Taylor & Francis

   Professor Nikos Ntoumanis

2. 
   SMART goals are no more effective for creative performance than do-your-best goals or non-specific, exploratory ‘open goals’

   Article • Educational Psychology, October 2024, Taylor & Francis

   Professor Nikos Ntoumanis

3. 
   Does a closer coach-athlete bond buffer or exacerbate the detrimental effects of controlling coaching on athletes’ coping and outcomes?

   Article • International Journal of Sports Science & Coaching, October 2024, SAGE Publications

   Professor Nikos Ntoumanis

4. 
   A cluster-randomized controlled trial to increase youth ice hockey coaches’ beliefs and use of need-supportive styles.

   Article • Sport Exercise and Performance Psychology, October 2024, American Psychological Association (APA)

   Professor Nikos Ntoumanis

5. 
   Fostering physical activity motivation at substance use disorder treatment facilities: A qualitative study grounded in self-determination theory

   Article • Mental Health and Physical Activity, October 2024, Elsevier

   Professor Nikos Ntoumanis

6. 
   Subordinates' perceptions of the need‐supportive, need‐thwarting, and need‐indifferent behaviors used by their supervisors: A person‐centered investigation

   Article • Applied Psychology, September 2024, Wiley

   Professor Nikos Ntoumanis

7. 
   Psychosocial predictors of doping intentions and use in sport and exercise: a systematic review and meta-analysis

   Article • British Journal of Sports Medicine, June 2024, BMJ

   Professor Nikos Ntoumanis

8. 
   Exploring the process of restoring psychological needs after incidences of frustration and need unfulfillment

   Article • Frontiers in Psychology, June 2024, Frontiers

   Professor Nikos Ntoumanis

9. 
   Stepping back or stepping in: A qualitative investigation of self‐distanced versus self‐immersed stressor reflections with competitive swimmers

   Article • Stress and Health, June 2024, Wiley

   Professor Nikos Ntoumanis

10. 
    An Australian Football Themed Health Behaviour Change Intervention for Men With Cardiovascular Disease is Feasible and Acceptable: Results From a Feasibility Randomised Trial

    Article • Heart Lung and Circulation, May 2024, Elsevier

    Professor Nikos Ntoumanis

11. 
    Motivation to participate in structured physical activity for autistic youth: A systematic scoping review

    Article • Autism, April 2024, SAGE Publications

    Professor Nikos Ntoumanis

12. 
    The effects of a combined physical activity and health education program on health knowledge and well‐being of socially vulnerable children

    Article • Scandinavian Journal of Medicine and Science in Sports, March 2024, Wiley

    Professor Nikos Ntoumanis

13. 
    Rethinking students' psychological need states: The unique role of need unfulfilment to understanding ill‐being in academic settings

    Article • Stress and Health, February 2024, Wiley

    Professor Nikos Ntoumanis

14. 
    The effects of interpersonal development programmes with sport coaches and parents on youth athlete outcomes: A systematic review and meta-analysis

    Article • Psychology of Sport and Exercise, January 2024, Elsevier

    Professor Nikos Ntoumanis

15. 
    A Group Motivational Intervention to Support Motivation for Physical Activity among Adults in Residential Treatment for Substance Use Disorders: Protocol for a N-of-1 Study

    Article • December 2023, Center for Open Science

    Professor Nikos Ntoumanis

16. 
    Goal motives, mental contrasting with implementation intentions, and the self-regulation of saving goals: A longitudinal investigation.

    Article • Motivation Science, November 2023, American Psychological Association (APA)

    Professor Nikos Ntoumanis

17. 
    To rest or to compete? A 4-week cohort study of analgesic use and willingness to compete hurt in Danish youth elite athletes

    Article • Journal of Science and Medicine in Sport, November 2023, Elsevier

    Professor Nikos Ntoumanis

18. 
    Dimensionality, Invariance, and Nomological Network of the Need Satisfaction and Frustration Scale (NSFS): An Extensive Psychometric Investigation in a Swedish Work Cohort

    Article • Journal of Personality Assessment, September 2023, Taylor & Francis

    Professor Nikos Ntoumanis

19. 
    Experiences of postpartum mothers and a significant other in a dyadic physical activity programme

    Article • Asian Journal of Sport and Exercise Psychology, September 2023, Elsevier

    Professor Nikos Ntoumanis

20. 
    ‘A Different Ball Game’: Adaptation of a men’s health program for implementation in rural Australia

    Article • BMC Public Health, July 2023, Springer Science + Business Media

    Professor Nikos Ntoumanis

21. 
    Prediction Versus Explanation in Educational Psychology: a Cross-Theoretical Approach to Using Teacher Behaviour to Predict Student Engagement in Physical Education

    Article • Educational Psychology Review, July 2023, Springer Science + Business Media

    Professor Nikos Ntoumanis

22. 
    A classification system for teachers’ motivational behaviors recommended in self-determination theory interventions.

    Article • Journal of Educational Psychology, May 2023, American Psychological Association (APA)

    Michael Noetel, Professor Nikos Ntoumanis

23. 
    Predictors of intentions of adults over 35 years to participate in walking sport programs: A social‐ecological mixed‐methods approach

    Article • Scandinavian Journal of Medicine and Science in Sports, April 2023, Wiley

    Professor Nikos Ntoumanis

24. 
    “More than just a walk in the park”: A multi-stakeholder qualitative exploration of community-based walking sport programmes for middle-aged and older adults

    Article • Qualitative Research in Sport Exercise and Health, April 2023, Taylor & Francis

    Professor Nikos Ntoumanis

25. 
    Goal Motives, Goal-Regulatory Processes, Psychological Needs, and Well-Being: A Systematic Review and Meta-Analysis

    Article • March 2023, Center for Open Science

    Professor Nikos Ntoumanis

26. 
    The Good, the Bad, and the Ugly of Motivation

    Article • March 2023, Oxford University Press (OUP)

    Professor Nikos Ntoumanis

27. 
    Facilitating Health Behavior Change

    Article • February 2023, Oxford University Press (OUP)

    Professor Nikos Ntoumanis

28. 
    Autonomous motivation promotes goal attainment through the conscious investment of effort, but mental contrasting with implementation intentions makes goal striving easier

    Article • The Journal of Social Psychology, January 2023, Taylor & Francis

    Professor Nikos Ntoumanis

29. 
    Autonomous Motivation Promotes Goal Attainment through the Conscious Investment of Effort, but Mental Contrasting With Implementation Intentions Makes Goal Striving Easier

    Article • December 2022, Center for Open Science

    Professor Nikos Ntoumanis

30. 
    Psychosocial Predictors of Drop-Out from Organised Sport: A Prospective Study in Adolescent Soccer

    Article • International Journal of Environmental Research and Public Health, December 2022, MDPI AG

    Professor Nikos Ntoumanis

31. 
    Enhancing functional recovery for young people recovering from first episode psychosis via sport-based life skills training: outcomes of a feasibility and pilot study

    Article • Health Psychology and Behavioral Medicine, November 2022, Taylor & Francis

    Professor Nikos Ntoumanis

32. 
    Further thoughts on promoting sustainable behavior change in physical activity settings – comment on Hohberg et al.

    Article • Current Issues in Sport Science (CISS), November 2022, University of Bern

    Professor Nikos Ntoumanis

33. 
    Motives and Mental Contrasting With Implementation Intentions Predict Progress and Management of Goals in Parents

    Article • November 2022, Center for Open Science

    Professor Nikos Ntoumanis

34. 
    John Henryism and fear of failure in competitive sport: predicting competitive standard and mental well-being

    Article • International Journal of Sport and Exercise Psychology, October 2022, Taylor & Francis

    Professor Nikos Ntoumanis

35. 
    Managerial predictors and motivational outcomes of workers’ psychological need states profiles: A two-wave examination

    Article • European Journal of Work and Organizational Psychology, October 2022, Taylor & Francis

    Professor Nikos Ntoumanis

36. 
    Motivational predictors of children's involvement in out‐of‐school activities: An application of a football program

    Article • Scandinavian Journal of Medicine and Science in Sports, September 2022, Wiley

    Professor Nikos Ntoumanis

37. 
    Self-reported measurements of physical literacy in adults: a scoping review

    Article • BMJ Open, September 2022, BMJ

    Professor Nikos Ntoumanis

38. 
    Supervisors' interpersonal styles: An integrative perspective and a measure based on self‐determination theory

    Article • Applied Psychology, August 2022, Wiley

    Professor Nikos Ntoumanis

39. 
    The Psychology of Athletic Endeavor

    Article • Annual Review of Psychology, August 2022, Annual Reviews

    Professor Nikos Ntoumanis

40. 
    Goal motives and mental contrasting with implementation intentions facilitate strategic goal persistence and disengagement

    Article • Journal of Applied Social Psychology, August 2022, Wiley

    Professor Nikos Ntoumanis

41. 
    Motivating playgrounds: understanding how school playgrounds support autonomy, competence, and relatedness of tweens

    Article • International Journal of Qualitative Studies on Health and Well-Being, July 2022, Taylor & Francis

    Professor Nikos Ntoumanis

42. 
    Behavior change techniques in physical activity interventions for adults with substance use disorders: A systematic review.

    Article • Psychology of Addictive Behaviors, June 2022, American Psychological Association (APA)

    Sascha Thal, Professor Nikos Ntoumanis

43. 
    A global experiment on motivating social distancing during the COVID-19 pandemic

    Article • Proceedings of the National Academy of Sciences, May 2022, Proceedings of the National Academy of Sciences

    Radoslaw Walczak, Professor Nikos Ntoumanis, Ranran Li

44. 
    A systematic review examining socioeconomic factors in trials of interventions for men that report weight as an outcome

    Article • Obesity Reviews, February 2022, Wiley

    Professor Nikos Ntoumanis

45. 
    A Classification System for Teachers’ Motivational Behaviours Recommended in Self-Determination Theory Interventions

    Article • February 2022, Center for Open Science

    Professor Nikos Ntoumanis

46. 
    Team resilience emergence: Perspectives and experiences of military personnel selected for elite military training

    Article • European Journal of Social Psychology, January 2022, Wiley

    Professor Nikos Ntoumanis

47. 
    Virtual Reality Against Doping: The Case of Project VIRAL

    Article • January 2022, Springer Science + Business Media

    Professor Nikos Ntoumanis

48. 
    The bright, dark, and dim light colors of motivation: Advances in conceptualization and measurement from a self-determination theory perspective

    Article • January 2022, Elsevier

    Professor Nikos Ntoumanis

49. 
    Psychosocial outcomes of sport participation for middle-aged and older adults: a systematic review and meta-analysis

    Article • International Review of Sport and Exercise Psychology, November 2021, Taylor & Francis

    Professor Nikos Ntoumanis

50. 
    How can older peer leaders best support motivation for walking in physically inactive older adults? A self-determination theory perspective

    Article • Psychology & Health, November 2021, Taylor & Francis

    Professor Nikos Ntoumanis

51. 
    The emergence of resilience: Recovery trajectories in sleep functioning after a major stressor.

    Article • Sport Exercise and Performance Psychology, November 2021, American Psychological Association (APA)

    Professor Nikos Ntoumanis, Robin Lines

52. 
    The effectiveness of stress regulation interventions with athletes: A systematic review and multilevel meta-analysis of randomised controlled trials

    Article • International Review of Sport and Exercise Psychology, September 2021, Taylor & Francis

    Professor Nikos Ntoumanis

53. 
    Handling effect size dependency in meta-analysis

    Article • International Review of Sport and Exercise Psychology, June 2021, Taylor & Francis

    Professor Nikos Ntoumanis

54. 
    Stress, physical activity, sedentary behavior, and resilience—The effects of naturalistic periods of elevated stress: A measurement‐burst study

    Article • Psychophysiology, June 2021, Wiley

    Professor Nikos Ntoumanis

55. 
    “It’s Better Together”: A Nested Longitudinal Study Examining the Benefits of Walking Regularly With Peers Versus Primarily Alone in Older Adults

    Article • Journal of Aging and Physical Activity, June 2021, Human Kinetics

    Professor Nikos Ntoumanis

56. 
    Stressor reflections and elite athlete psychological well-being and ill-being: An experimental test of self-distancing

    Article • Psychology of Sport and Exercise, May 2021, Elsevier

    Professor Nikos Ntoumanis

57. 
    Acceptability of Self-Management Group Education to Reduce Fear of Hypoglycemia as a Barrier to Physical Activity in Adults With Type 1 Diabetes: A Mixed Methods Approach

    Article • Canadian Journal of Diabetes, May 2021, Elsevier

    Professor Nikos Ntoumanis

58. 
    Evolution of physical activity habits after a context change: The case of COVID‐19 lockdown

    Article • British Journal of Health Psychology, April 2021, Wiley

    Professor Nikos Ntoumanis

59. 
    The Aussie-FIT process evaluation: feasibility and acceptability of a weight loss intervention for men, delivered in Australian Football League settings

    Article • Psychology & Health, March 2021, Taylor & Francis

    Professor Nikos Ntoumanis

60. 
    Barriers and facilitators of physical activity participation in adults living with type 1 diabetes: a systematic scoping review

    Article • Applied Physiology Nutrition and Metabolism, February 2021, Canadian Science Publishing

    Professor Nikos Ntoumanis

61. 
    Pain and fatigue are longitudinally and bi-directionally associated with more sedentary time and less standing time in rheumatoid arthritis

    Article • Rheumatology, January 2021, Oxford University Press (OUP)

    Professor Nikos Ntoumanis

62. 
    Development and feasibility of a mobile phone application designed to support physically inactive employees to increase walking

    Article • BMC Medical Informatics and Decision Making, January 2021, Springer Science + Business Media

    Professor Nikos Ntoumanis

63. 
    Self-management group education to reduce fear of hypoglycaemia as a barrier to physical activity in people living with type 1 diabetes: A pilot randomised controlled trial.

    Article • Canadian Journal of Diabetes, January 2021, Elsevier

    Professor Nikos Ntoumanis

64. 
    Autonomous motivation, cardiorespiratory fitness, and exercise in rheumatoid arthritis: randomised controlled trial

    Article • Psychology of Sport and Exercise, January 2021, Elsevier

    Professor Nikos Ntoumanis

65. 
    A Systematic Review of Machine Learning for Assessment and Feedback of Treatment Fidelity

    Article • Psychosocial Intervention, January 2021, Colegio Oficial de Psicologos de Madrid

    Professor Nikos Ntoumanis

66. 
    Postnatal Exercise Partners Study (PEEPS): a pilot randomized trial of a dyadic physical activity intervention for postpartum mothers and a significant other

    Article • Health Psychology and Behavioral Medicine, January 2021, Taylor & Francis

    Professor Nikos Ntoumanis

67. 
    Fatigue and fluctuations in physical and psychological wellbeing in people with multiple sclerosis: A longitudinal study

    Article • Multiple Sclerosis and Related Disorders, January 2021, Elsevier

    Professor Nikos Ntoumanis

68. 
    Challenges to Engaging Older Adults in a Group-Based Walking Intervention: Lessons From the Residents in Action Trial

    Article • Journal of Aging and Physical Activity, January 2021, Human Kinetics

    Professor Nikos Ntoumanis

69. 
    Does self‐compassion help to deal with dietary lapses among overweight and obese adults who pursue weight‐loss goals?

    Article • British Journal of Health Psychology, December 2020, Wiley

    Professor Nikos Ntoumanis

70. 
    Advancing the Conceptualization and Measurement of Psychological Need States: A 3 × 3 Model Based on Self-Determination Theory

    Article • Journal of Career Assessment, December 2020, SAGE Publications

    Professor Nikos Ntoumanis

71. 
    A classification of motivation and behavior change techniques used in self-determination theory-based interventions in health contexts.

    Article • Motivation Science, December 2020, American Psychological Association (APA)

    Professor Martin S Hagger, Professor Nikos Ntoumanis, Richard Ryan, Arlen Moller Moller, Maarten Vansteenkiste

72. 
    Goal Motives and Well-Being in Student-Athletes: A Person-Centered Approach

    Article • Journal of Sport and Exercise Psychology, December 2020, Human Kinetics

    Professor Nikos Ntoumanis

73. 
    Evolution of Physical Activity Habits After a Context Change: the Case of COVID-19 Lockdown

    Article • November 2020, Center for Open Science

    Professor Nikos Ntoumanis

74. 
    Relationships between changes in self-reported physical activity, sedentary behaviour and health during the coronavirus (COVID-19) pandemic in France and Switzerland

    Article • Journal of Sports Sciences, October 2020, Taylor & Francis

    Professor Nikos Ntoumanis

75. 
    Volunteer Motivation and Retention of Older Peer Walk Leaders: A 4-Month Long Investigation

    Article • The Gerontologist, October 2020, Oxford University Press (OUP)

    Professor Nikos Ntoumanis

76. 
    The development of a sport-based life skills program for young people with first episode psychosis: An intervention mapping approach

    Article • Mental Health and Physical Activity, October 2020, Elsevier

    Professor Nikos Ntoumanis

77. 
    An intervention to optimise coach-created motivational climates and reduce athlete willingness to dope (CoachMADE): a three-country cluster randomised controlled trial

    Article • British Journal of Sports Medicine, September 2020, BMJ

    Professor Nikos Ntoumanis

78. 
    Cross-sectional and longitudinal comparisons of self-reported and device-assessed physical activity and sedentary behaviour

    Article • Journal of Science and Medicine in Sport, September 2020, Elsevier

    Professor Nikos Ntoumanis

79. 
    A gender-sensitised weight-loss and healthy living program for men with overweight and obesity in Australian Football League settings (Aussie-FIT): A pilot randomised controlled trial

    Article • PLoS Medicine, August 2020, PLOS

    Professor Nikos Ntoumanis

80. 
    Self-determination theory interventions for health behavior change: Meta-analysis and meta-analytic structural equation modeling of randomized controlled trials.

    Article • Journal of Consulting and Clinical Psychology, August 2020, American Psychological Association (APA)

    Pashal Sheeran, Professor Nikos Ntoumanis, Dr William Klein, Prof Mark Conner

81. 
    The effects of the iPlayClean education programme on doping attitudes and susceptibility to use banned substances among high-level adolescent athletes from the UK: A cluster-randomised controlled trial

    Article • International Journal of Drug Policy, August 2020, Elsevier

    Professor Nikos Ntoumanis

82. 
    Diurnal patterns of sedentary time in rheumatoid arthritis: associations with cardiovascular disease risk

    Article • RMD Open, July 2020, BMJ

    Professor Nikos Ntoumanis

83. 
    Setting Performance and Learning Goals is Useful for Active and Inactive Individuals, if Goals are Personalised and Flexible: Commentary on Swann et al. (2020)

    Article • Health Psychology Review, June 2020, Taylor & Francis

    Professor Nikos Ntoumanis

84. 
    Relationships Between Changes in Self-Reported Physical Activity and Sedentary Behaviours and Health During the Coronavirus (COVID-19) Pandemic in France and Switzerland

    Article • April 2020, Center for Open Science

    Professor Nikos Ntoumanis

85. 
    A review and empirical comparison of motivation scoring methods: An application to self-determination theory

    Article • Motivation and Emotion, April 2020, Springer Science + Business Media

    Professor Nikos Ntoumanis, Marylene Gagne

86. 
    Self-determination Theory

    Article • April 2020, Taylor & Francis

    Professor Nikos Ntoumanis

87. 
    Effective Peer Leader Attributes for the Promotion of Walking in Older Adults

    Article • The Gerontologist, April 2020, Oxford University Press (OUP)

    Professor Nikos Ntoumanis

88. 
    Feasibility and preliminary effects of a peer-led motivationally-embellished workplace walking intervention: A pilot cluster randomized trial (the START trial)

    Article • Contemporary Clinical Trials, April 2020, Elsevier

    Professor Nikos Ntoumanis

89. 
    Testing a self-determination theory-based process model of physical activity behavior change in rheumatoid arthritis: results of a randomized controlled trial

    Article • Translational Behavioral Medicine, March 2020, Oxford University Press (OUP)

    Professor Nikos Ntoumanis

90. 
    Getting published: Suggestions and strategies from editors of sport and exercise psychology journals

    Article • Journal of Applied Sport Psychology, March 2020, Taylor & Francis

    Professor Nikos Ntoumanis

91. 
    Measuring psychological need states in sport: Theoretical considerations and a new measure

    Article • Psychology of Sport and Exercise, March 2020, Elsevier

    Professor Nikos Ntoumanis

92. 
    Self-Compassion and Need Frustration Moderate the Effects of Upward Appearance Comparisons on Body Image Discrepancies

    Article • The Journal of Psychology, February 2020, Taylor & Francis

    Professor Nikos Ntoumanis

93. 
    A Meta-Analysis of Self-Determination Theory-Informed Intervention Studies in the Health Domain: Effects on Motivation, Health Behavior, Physical, and Psychological Health

    Article • Health Psychology Review, January 2020, Taylor & Francis

    Professor Nikos Ntoumanis, A/Prof Chris Lonsdale

94. 
    Barriers and facilitators to physical activity participation in adults living with type 1 diabetes: a scoping review protocol

    Article • JBI Evidence Synthesis, December 2019, Wolters Kluwer Health

    Professor Nikos Ntoumanis

95. 
    An intervention to help teachers establish a prosocial peer climate in physical education

    Article • Learning and Instruction, December 2019, Elsevier

    Professor Nikos Ntoumanis

96. 
    Narcissism and social motives: Successful pursuit of egosystem goals boosts narcissism

    Article • Self and Identity, November 2019, Taylor & Francis

    Professor Nikos Ntoumanis

97. 
    Self-determination theory applied to physical education: A systematic review and meta-analysis.

    Article • Journal of Educational Psychology, October 2019, American Psychological Association (APA)

    Diego Vasconcellos, A/Prof Chris Lonsdale, Richard Ryan, Professor Nikos Ntoumanis

98. 
    Financial Incentives May Influence Health Behaviors, But Do We End Up With Less Than We Paid For? A Self-determination Theory Perspective

    Article • Annals of Behavioral Medicine, October 2019, Oxford University Press (OUP)

    Professor Nikos Ntoumanis

99. 
    An investigation into the effects of short-course professional development on teachers’ and teaching assistants’ self-efficacy

    Article • Professional Development in Education, September 2019, Taylor & Francis

    Professor Nikos Ntoumanis, Professor Gary Thomas

100. 
     Conceptualizing and testing a new tripartite measure of coach interpersonal behaviors

     Article • Psychology of Sport and Exercise, September 2019, Elsevier

     Richard Ryan, Professor Nikos Ntoumanis

101. 
     Development and evaluation of a mobile phone application designed to support physically inactive employees to increase walking (Preprint)

     Article • August 2019, JMIR Publications Inc.

     Professor Nikos Ntoumanis

102. 
     A qualitative investigation of coaches’ doping confrontation efficacy beliefs

     Article • Psychology of Sport and Exercise, August 2019, Elsevier

     Professor Nikos Ntoumanis

103. 
     The role of the athletes’ entourage on attitudes to doping

     Article • Journal of Sports Sciences, July 2019, Taylor & Francis

     Professor Nikos Ntoumanis, Vassilis Barkoukis

104. 
     Qualitative investigation of perceived barriers to and enablers of sport participation for young people with first episode psychosis

     Article • Early Intervention in Psychiatry, July 2019, Wiley

     Professor Nikos Ntoumanis

105. 
     Motivational Climate in the Classroom

     Article • European Journal of Psychological Assessment, July 2019, Hogrefe Publishing Group

     Professor Nikos Ntoumanis

106. 
     Perceptions of coach doping confrontation efficacy and athlete susceptibility to intentional and inadvertent doping

     Article • Scandinavian Journal of Medicine and Science in Sports, June 2019, Wiley

     Professor Nikos Ntoumanis

107. 
     Measuring Psychological Need States in Sport: Theoretical Considerations and a New Measure

     Article • May 2019, Center for Open Science

     Professor Nikos Ntoumanis

108. 
     Effects of Perceived Autonomy Support from Social Agents on Motivation and Engagement of Chinese Primary School Students: Psychological Need Satisfaction as Mediator

     Article • Contemporary Educational Psychology, May 2019, Elsevier

     Professor Nikos Ntoumanis

109. 
     An Introduction to the Special Issue for the 50th anniversary of FEPSAC

     Article • Psychology of Sport and Exercise, May 2019, Elsevier

     Professor Nikos Ntoumanis

110. 
     Editorial: 50th anniversary of FEPSAC

     Article • Psychology of Sport and Exercise, May 2019, Elsevier

     Professor Nikos Ntoumanis

111. 
     Conceptualizing and Testing a New Tripartite Measure of Coach Interpersonal Behaviors

     Article • April 2019, Center for Open Science

     Professor Nikos Ntoumanis

112. 
     Profiles of adversity and resilience resources: A latent class analysis of two samples

     Article • British Journal of Psychology, April 2019, Wiley

     Professor Nikos Ntoumanis, Robin Lines

113. 
     Longitudinal relations between psychological distress and moderate-to-vigorous physical activity: A latent change score approach

     Article • Psychology of Sport and Exercise, February 2019, Elsevier

     Professor Nikos Ntoumanis

114. 
     Trial feasibility and process evaluation of a motivationally-embellished group peer led walking intervention in retirement villages using the RE-AIM framework: the residents in action trial (RiAT)

     Article • Health Psychology and Behavioral Medicine, January 2019, Taylor & Francis

     Dr Elissa Burton, Professor Nikos Ntoumanis

115. 
     Narcissism, beliefs about controlling interpersonal style, and moral disengagement in sport coaches

     Article • International Journal of Sport and Exercise Psychology, November 2018, Taylor & Francis

     Professor Nikos Ntoumanis

116. 
     Stress, physical activity, and resilience resources: Tests of direct and moderation effects in young adults.

     Article • Sport Exercise and Performance Psychology, November 2018, American Psychological Association (APA)

     Robin Lines, Professor Nikos Ntoumanis

117. 
     Self-regulation leads to higher mental toughness

     Article • Sport Exercise and Performance Psychology, November 2018, American Psychological Association (APA)

     Stuart Beattie, Professor Nikos Ntoumanis, Stuart Beattie

118. 
     Comparison of the effects of exercise and anti-TNF treatment on cardiovascular health in rheumatoid arthritis: results from two controlled trials

     Article • Rheumatology International, November 2018, Springer Science + Business Media

     Professor Nikos Ntoumanis

119. 
     The Need-Relevant Instructor Behaviors Scale: Development and Initial Validation

     Article • Journal of Sport and Exercise Psychology, November 2018, Human Kinetics

     Professor Nikos Ntoumanis

120. 
     Expanding autonomy psychological need states from two (satisfaction, frustration) to three (dissatisfaction): A classroom-based intervention study.

     Article • Journal of Educational Psychology, October 2018, American Psychological Association (APA)

     Professor Nikos Ntoumanis

121. 
     Dyadic interventions to promote physical activity and reduce sedentary behaviour: systematic review and meta-analysis

     Article • Health Psychology Review, October 2018, Taylor & Francis

     Professor Nikos Ntoumanis

122. 
     Team resilience: A scoping review of conceptual and empirical work

     Article • Work & Stress, October 2018, Taylor & Francis

     Professor Nikos Ntoumanis, Sharon Kaye Parker, Robin Lines, Robin Lines

123. 
     Protocol for a gender-sensitised weight loss and healthy living programme for overweight and obese men delivered in Australian football league settings (Aussie-FIT): A feasibility and pilot randomised controlled trial

     Article • BMJ Open, October 2018, BMJ

     Professor Nikos Ntoumanis

124. 
     Holding on to the Goal or Letting It Go and Moving On? A Tripartite Model of Goal Striving

     Article • Current Directions in Psychological Science, September 2018, SAGE Publications

     Professor Nikos Ntoumanis

125. 
     “Shall We Dance?” Older Adults’ Perspectives on the Feasibility of a Dance Intervention for Cognitive Function

     Article • Journal of Aging and Physical Activity, September 2018, Human Kinetics

     Professor Nikos Ntoumanis

126. 
     Do exerciser weight status and perceived motivation predict instructors’ motivation and beliefs about the exerciser? A test of motivation contagion effects

     Article • Body Image, September 2018, Elsevier

     Professor Nikos Ntoumanis

127. 
     The emergence of team resilience: A multilevel conceptual model of facilitating factors

     Article • Journal of Occupational and Organizational Psychology, August 2018, Wiley

     Professor Nikos Ntoumanis

128. 
     Is sport an untapped resource for recovery from first episode psychosis? A narrative review and call to action

     Article • Early Intervention in Psychiatry, July 2018, Wiley

     Professor Nikos Ntoumanis

129. 
     I am the chosen one: Narcissism in the backdrop of self-determination theory

     Article • Journal of Personality, July 2018, Wiley

     Professor Nikos Ntoumanis

130. 
     A Person-Centered Analysis of Motivation for Physical Activity and Perceived Neighborhood Environment in Residents of Assisted Living Facilities

     Article • The International Journal of Aging and Human Development, July 2018, SAGE Publications

     Professor Nikos Ntoumanis

131. 
     Does teacher evaluation based on student performance predict motivation, well-being, and ill-being?

     Article • Journal of School Psychology, June 2018, Elsevier

     Professor Nikos Ntoumanis

132. 
     Need-supportive professional development in elementary school physical education: Effects of a cluster-randomized control trial on teachers’ motivating style and student physical activity.

     Article • Sport Exercise and Performance Psychology, May 2018, American Psychological Association (APA)

     Professor Nikos Ntoumanis

133. 
     Psychological and behavioural factors of unintentional doping: A preliminary systematic review

     Article • International Journal of Sport and Exercise Psychology, March 2018, Taylor & Francis

     Professor Nikos Ntoumanis, Dr James A Dimmock, Professor Martin S Hagger

134. 
     A needs-supportive intervention to help PE teachers enhance students' prosocial behavior and diminish antisocial behavior

     Article • Psychology of Sport and Exercise, March 2018, Elsevier

     Professor Nikos Ntoumanis

135. 
     Assessing physiotherapists’ communication skills for promoting patient autonomy for self-management: reliability and validity of the communication evaluation in rehabilitation tool

     Article • Disability and Rehabilitation, February 2018, Taylor & Francis

     Professor Nikos Ntoumanis, Dr Ben Jackson

136. 
     The Impact of Agentic and Communal Exercise Messages on Individuals’ Exercise Class Attitudes, Self-Efficacy Beliefs, and Intention to Attend

     Article • Journal of Sport and Exercise Psychology, February 2018, Human Kinetics

     Dr James A Dimmock, Professor Nikos Ntoumanis

137. 
     A diary study of appearance social comparisons and need frustration in young women

     Article • Personality and Individual Differences, February 2018, Elsevier

     Professor Nikos Ntoumanis, Renee Carey

138. 
     An Intervention to Optimize Coach Motivational Climates and Reduce Athlete Willingness to Dope (CoachMADE): Protocol for a Cross-Cultural Cluster Randomized Control Trial

     Article • Frontiers in Psychology, January 2018, Frontiers

     Professor Nikos Ntoumanis

139. 
     An internet-supported school physical activity intervention in low socioeconomic status communities: results from the Activity and Motivation in Physical Education (AMPED) cluster randomised controlled trial

     Article • British Journal of Sports Medicine, October 2017, BMJ

     A/Prof Chris Lonsdale, Laureate Professor Jennifer Gore, Professor Nikos Ntoumanis

140. 
     Physical Activity in Patients with Cardiovascular Disease: Challenges in Measurement and Motivation

     Article • Heart Lung and Circulation, October 2017, Elsevier

     Professor Nikos Ntoumanis

141. 
     Teacher-created social environment, basic psychological needs, and dancers' affective states during class: A diary study

     Article • Personality and Individual Differences, September 2017, Elsevier

     Professor Nikos Ntoumanis

142. 
     Communication Skills Training for Practitioners to Increase Patient Adherence to Home-Based Rehabilitation for Chronic Low Back Pain: Results of a Cluster Randomized Controlled Trial

     Article • Archives of Physical Medicine and Rehabilitation, September 2017, Elsevier

     Professor Nikos Ntoumanis, A/Prof Chris Lonsdale, Professor Ralf Schwarzer

143. 
     Longitudinal associations between exercise identity and exercise motivation: A multilevel growth curve model approach

     Article • Scandinavian Journal of Medicine and Science in Sports, August 2017, Wiley

     Professor Nikos Ntoumanis

144. 
     Need-supportive communication

     Article • August 2017, Taylor & Francis

     Professor Nikos Ntoumanis

145. 
     Controlling coaching and athlete thriving in elite adolescent netballers: The buffering effect of athletes’ mental toughness

     Article • Journal of Science and Medicine in Sport, August 2017, Elsevier

     Professor Nikos Ntoumanis

146. 
     Putting self-determination theory into practice: application of adaptive motivational principles in the exercise domain

     Article • Qualitative Research in Sport Exercise and Health, July 2017, Taylor & Francis

     Professor Nikos Ntoumanis

147. 
     Beware of your teaching style: A school-year long investigation of controlling teaching and student motivational experiences

     Article • Learning and Instruction, July 2017, Elsevier

     Professor Nikos Ntoumanis

148. 
     The Role of Physical Activity and Sedentary Behavior in Predicting Daily Pain and Fatigue in Older Adults: a Diary Study

     Article • Annals of Behavioral Medicine, June 2017, Springer Science + Business Media

     Professor Nikos Ntoumanis

149. 
     Preventing occupational injury among police officers: does motivation matter?

     Article • Occupational Medicine, June 2017, Oxford University Press (OUP)

     Richard Ryan, Professor Nikos Ntoumanis

150. 
     A Diary Study of Self-Compassion, Upward Social Comparisons, and Body Image-Related Outcomes

     Article • Applied Psychology Health and Well-Being, June 2017, Wiley

     Professor Nikos Ntoumanis

151. 
     Linking Coach Interpersonal Style With Athlete Doping Intentions and Doping Use: A Prospective Study

     Article • Journal of Sport and Exercise Psychology, June 2017, Human Kinetics

     Professor Nikos Ntoumanis

152. 
     Protocol for the residents in action pilot cluster randomised controlled trial (RiAT): evaluating a behaviour change intervention to promote walking, reduce sitting and improve mental health in physically inactive older adults in retirement villages

     Article • BMJ Open, June 2017, BMJ

     Professor Nikos Ntoumanis, Dr Elissa Burton

153. 
     A review of some emergent quantitative analyses in sport and exercise psychology

     Article • International Review of Sport and Exercise Psychology, May 2017, Taylor & Francis

     Professor Nikos Ntoumanis

154. 
     Perceptions of Group-Based Walks and Strategies to Inform the Development of an Intervention in Retirement Villages: Perspectives of Residents and Village Managers

     Article • Journal of Aging and Physical Activity, April 2017, Human Kinetics

     Professor Nikos Ntoumanis

155. 
     Profiles of Physical Function, Physical Activity, and Sedentary Behavior and their Associations with Mental Health in Residents of Assisted Living Facilities

     Article • Applied Psychology Health and Well-Being, March 2017, Wiley

     Professor Nikos Ntoumanis

156. 
     Stirring the motivational soup: within-person latent profiles of motivation in exercise

     Article • International Journal of Behavioral Nutrition and Physical Activity, January 2017, Springer Science + Business Media

     Professor Nikos Ntoumanis

157. 
     “It's a bit more complicated than that”: A broader perspective on determinants of obesity

     Article • Behavioral and Brain Sciences, January 2017, Cambridge University Press

     Professor Nikos Ntoumanis, Professor Ottmar V Lipp

158. 
     Godin Leisure-Time Exercise Questionnaire--Swedish Version

     Article • January 2017, American Psychological Association (APA)

     Professor Nikos Ntoumanis

159. 
     Goal motives and multiple-goal striving in sport and academia: A person-centered investigation of goal motives and inter-goal relations

     Article • Journal of Science and Medicine in Sport, December 2016, Elsevier

     Professor Nikos Ntoumanis

160. 
     Linking Narcissism, Motivation, and Doping Attitudes in Sport: A Multilevel Investigation Involving Coaches and Athletes

     Article • Journal of Sport and Exercise Psychology, December 2016, Human Kinetics

     Professor Nikos Ntoumanis

161. 
     The two sides of goal intentions: Intention self-concordance and intention strength as predictors of physical activity

     Article • Psychology & Health, October 2016, Taylor & Francis

     Professor Nikos Ntoumanis

162. 
     Evaluating quality of implementation in physical activity interventions based on theories of motivation: current challenges and future directions

     Article • International Review of Sport and Exercise Psychology, September 2016, Taylor & Francis

     Professor Martin S Hagger, Professor Nikos Ntoumanis

163. 
     Validating a measure of life satisfaction in older adolescents and testing invariance across time and gender

     Article • Personality and Individual Differences, September 2016, Elsevier

     Professor Nikos Ntoumanis

164. 
     Prioritizing Intentions on the Margins: Effects of Marginally Higher Prioritization Strategies on Physical Activity Participation

     Article • Journal of Sport and Exercise Psychology, August 2016, Human Kinetics

     Professor Nikos Ntoumanis

165. 
     The effects of training group exercise class instructors to adopt a motivationally adaptive communication style

     Article • Scandinavian Journal of Medicine and Science in Sports, June 2016, Wiley

     Professor Nikos Ntoumanis

166. 
     Factors associated with parasympathetic activation following exercise in patients with rheumatoid arthritis: a cross-sectional study

     Article • BMC Cardiovascular Disorders, May 2016, Springer Science + Business Media

     Professor Nikos Ntoumanis

167. 
     ‘Mum's the word’: Predictors and outcomes of weight concerns in pre-adolescent and early adolescent girls

     Article • Body Image, March 2016, Elsevier

     Professor Nikos Ntoumanis

168. 
     Routledge International Handbook of Sport Psychology

     Article • February 2016, Taylor & Francis

     Professor Nikos Ntoumanis

169. 
     A Three-Wave Longitudinal Test of Self-Determination Theory’s Mediation Model of Engagement and Disaffection in Youth Sport

     Article • Journal of Sport and Exercise Psychology, February 2016, Human Kinetics

     Professor Nikos Ntoumanis

170. 
     Interpersonal Support in Physical Activity Consultations Observational Tool

     Article • January 2016, American Psychological Association (APA)

     Professor Nikos Ntoumanis

171. 
     Antecedents of Need Supportive and Controlling Interpersonal Styles From a Self-Determination Theory Perspective: A Review and Implications for Sport Psychology Research

     Article • January 2016, Elsevier

     Professor Nikos Ntoumanis

172. 
     Equal prioritisation does not yield lower levels of participation in physical activities than higher prioritisation

     Article • Psychology of Sport and Exercise, January 2016, Elsevier

     Professor Nikos Ntoumanis

173. 
     Initial validation of the coach-created Empowering and Disempowering Motivational Climate Questionnaire (EDMCQ-C)

     Article • Psychology of Sport and Exercise, January 2016, Elsevier

     Professor Nikos Ntoumanis

174. 
     Intrinsic motivation in two exercise interventions: Associations with fitness and body composition.

     Article • Health Psychology, January 2016, American Psychological Association (APA)

     Professor Nikos Ntoumanis

175. 
     Life Satisfaction Scale

     Article • January 2016, American Psychological Association (APA)

     Professor Nikos Ntoumanis

176. 
     Narcissism and coach interpersonal style: A self-determination theory perspective

     Article • Scandinavian Journal of Medicine and Science in Sports, December 2015, Wiley

     Professor Nikos Ntoumanis

177. 
     An Internet-supported Physical Activity Intervention Delivered in Secondary Schools Located in Low Socio-economic Status Communities: Study Protocol for the Activity and Motivation in Physical Education (AMPED) Cluster Randomized Controlled Trial 

     Article • BMC Public Health, December 2015, Springer Science + Business Media

     A/Prof Chris Lonsdale, Professor Nikos Ntoumanis, Laureate Professor Jennifer Gore

178. 
     Measuring the positive psychological well-being of people with rheumatoid arthritis: a cross-sectional validation of the subjective vitality scale

     Article • Arthritis Research & Therapy, November 2015, Springer Science + Business Media

     Professor Nikos Ntoumanis

179. 
     Implementing an Autonomy-Supportive Intervention to Develop Mental Toughness in Adolescent Rowers

     Article • Journal of Applied Sport Psychology, October 2015, Taylor & Francis

     Cliff Mallett, Professor Nikos Ntoumanis

180. 
     What if it really was an accident? The psychology of unintentional doping

     Article • British Journal of Sports Medicine, September 2015, BMJ

     Professor Nikos Ntoumanis

181. 
     Motivation-related predictors of physical activity engagement and vitality in rheumatoid arthritis patients

     Article • Health Psychology Open, August 2015, SAGE Publications

     Professor Nikos Ntoumanis

182. 
     Perceived Barriers, Facilitators and Benefits for Regular Physical Activity and Exercise in Patients with Rheumatoid Arthritis: A Review of the Literature

     Article • Sports Medicine, July 2015, Springer Science + Business Media

     Professor Nikos Ntoumanis

183. 
     Cardiorespiratory fitness levels and their association with cardiovascular profile in patients with rheumatoid arthritis: a cross-sectional study

     Article • Rheumatology, July 2015, Oxford University Press (OUP)

     Professor Nikos Ntoumanis

184. 
     Predicting subsequent task performance from goal motivation and goal failure

     Article • Frontiers in Psychology, July 2015, Frontiers

     Professor Nikos Ntoumanis

185. 
     Effect of a Self-Determination Theory–Based Communication Skills Training Program on Physiotherapists' Psychological Support for Their Patients With Chronic Low Back Pain: A Randomized Controlled Trial

     Article • Archives of Physical Medicine and Rehabilitation, May 2015, Elsevier

     A/Prof Chris Lonsdale, Professor Nikos Ntoumanis

186. 
     Subjective and objective levels of physical activity and their association with cardiorespiratory fitness in rheumatoid arthritis patients

     Article • Arthritis Research & Therapy, March 2015, Springer Science + Business Media

     Professor Nikos Ntoumanis

187. 
     Our PSE journey: Looking back and forward

     Article • Psychology of Sport and Exercise, March 2015, Elsevier

     Professor Nikos Ntoumanis

188. 
     A Philosophical Debate on the Morality of Doping is Interesting but Beyond the Scope of Our Meta-Analysis

     Article • Sports Medicine, February 2015, Springer Science + Business Media

     Professor Nikos Ntoumanis

189. 
     Motivational climate, goal orientation, perceived sport ability, and enjoyment within Finnish junior ice hockey players

     Article • Scandinavian Journal of Medicine and Science in Sports, February 2015, Wiley

     Professor Nikos Ntoumanis

190. 
     Adaptation and Validation of the Psychological Need Thwarting Scale in Spanish Physical Education Teachers

     Article • The Spanish Journal of Psychology, January 2015, Cambridge University Press

     Professor Nikos Ntoumanis

191. 
     An intervention to train group exercise class instructors to adopt a motivationally adaptive communication style: a quasi-experimental study protocol

     Article • Health Psychology and Behavioral Medicine, January 2015, Taylor & Francis

     Professor Nikos Ntoumanis

192. 
     The development and validation of the Interpersonal Support in Physical Activity Consultations Observational Tool

     Article • European Journal of Sport Science, December 2014, Wiley

     Professor Nikos Ntoumanis

193. 
     Fostering autonomous motivation, physical activity and cardiorespiratory fitness in rheumatoid arthritis: protocol and rationale for a randomised control trial

     Article • BMC Musculoskeletal Disorders, December 2014, Springer Science + Business Media

     Professor Nikos Ntoumanis

194. 
     Goal Striving and Well-Being in Sport: The Role of Contextual and Personal Motivation

     Article • Journal of Sport and Exercise Psychology, October 2014, Human Kinetics

     Professor Nikos Ntoumanis

195. 
     Predicting the brighter and darker sides of interpersonal relationships: Does psychological need thwarting matter?

     Article • Motivation and Emotion, September 2014, Springer Science + Business Media

     Professor Nikos Ntoumanis

196. 
     Adolescent Performers’ Perspectives on Mental Toughness and Its Development: The Utility of the Bioecological Model

     Article • The Sport Psychologist, September 2014, Human Kinetics

     Professor Nikos Ntoumanis

197. 
     Personal and Psychosocial Predictors of Doping Use in Physical Activity Settings: A Meta-Analysis

     Article • Sports Medicine, August 2014, Springer Science + Business Media

     Professor Nikos Ntoumanis

198. 
     Erratum for the article by Mahoney et al. in JSEP 36(3)

     Article • Journal of Sport and Exercise Psychology, August 2014, Human Kinetics

     Cliff Mallett, Professor Nikos Ntoumanis

199. 
     Psychometric properties of the Spanish version of the Controlling Coach Behaviors Scale in the sport context

     Article • Psicothema, August 2014, Grupo Editorial Psicofundación

     Professor Nikos Ntoumanis

200. 
     Perceived coach-created and peer-created motivational climates and their associations with team cohesion and athlete satisfaction: evidence from a longitudinal study

     Article • Journal of Sports Sciences, June 2014, Taylor & Francis

     DAVID SANCHEZ-OLIVA, Professor Nikos Ntoumanis

201. 
     Careers patterns in Greek academia: social capital and intelligent careers, but for whom?

     Article • Career Development International, June 2014, Emerald

     Professor Nikos Ntoumanis

202. 
     Mental Toughness in Sport: Motivational Antecedents and Associations with Performance and Psychological Health

     Article • Journal of Sport and Exercise Psychology, June 2014, Human Kinetics

     Professor Nikos Ntoumanis

203. 
     Self-Regulatory Responses to Unattainable Goals: The Role of Goal Motives

     Article • Self and Identity, February 2014, Taylor & Francis

     Professor Nikos Ntoumanis

204. 
     An Ecological Momentary Assessment of Lapse Occurrences in Dieters

     Article • Annals of Behavioral Medicine, February 2014, Springer Science + Business Media

     Professor Nikos Ntoumanis

205. 
     Developing self-regulation for dietary temptations: intervention effects on physical, self-regulatory and psychological outcomes

     Article • Journal of Behavioral Medicine, February 2014, Springer Science + Business Media

     Professor Nikos Ntoumanis

206. 
     Pedagogical Cases in Physical Education and Youth Sport

     Article • January 2014, Taylor & Francis

     Professor Nikos Ntoumanis

207. 
     The relation between student motivation and student grades in physical education: A 3-year investigation

     Article • Scandinavian Journal of Medicine and Science in Sports, January 2014, Wiley

     Professor Nikos Ntoumanis

208. 
     The motivational antecedents of the development of mental toughness: a self-determination theory perspective

     Article • International Review of Sport and Exercise Psychology, January 2014, Taylor & Francis

     Professor Nikos Ntoumanis

209. 
     Job pressure and ill-health in physical education teachers: The mediating role of psychological need thwarting

     Article • Teaching and Teacher Education, January 2014, Elsevier

     A/Prof Chris Lonsdale, Professor Nikos Ntoumanis

210. 
     Effects of a standard provision versus an autonomy supportive exercise referral programme on physical activity, quality of life and well-being indicators: a cluster randomised controlled trial

     Article • International Journal of Behavioral Nutrition and Physical Activity, January 2014, Springer Science + Business Media

     Professor Nikos Ntoumanis

211. 
     Exploratory bifactor analysis in sport, exercise, and performance psychology: A substantive-methodological synergy.

     Article • Sport Exercise and Performance Psychology, January 2014, American Psychological Association (APA)

     Professor Nikos Ntoumanis, Dr Jeffrey Martin

212. 
     Self-Efficacy Scale

     Article • January 2014, American Psychological Association (APA)

     Professor Nikos Ntoumanis

213. 
     Temptation Measure

     Article • January 2014, American Psychological Association (APA)

     Professor Nikos Ntoumanis

214. 
     Goal Attainment Measure

     Article • January 2014, American Psychological Association (APA)

     Professor Nikos Ntoumanis

215. 
     Need Satisfaction and Thwarting Measure

     Article • January 2014, American Psychological Association (APA)

     Professor Nikos Ntoumanis

216. 
     Controlling Coach Behaviors Scale--Spanish Version

     Article • January 2014, American Psychological Association (APA)

     Professor Nikos Ntoumanis

217. 
     How do values influence attitudes and achievement goals? Relationships among values, achievement orientations and attitudes in youth sport

     Article • December 2013, Taylor & Francis

     Professor Nikos Ntoumanis

218. 
     How important are ethical attitudes? Development of the Attitudes to Moral Decision-making in Youth Sport Questionnaire

     Article • December 2013, Taylor & Francis

     Professor Nikos Ntoumanis

219. 
     Intentions to drop-out of youth soccer: A test of the basic needs theory among European youth from five countries

     Article • International Journal of Sport and Exercise Psychology, October 2013, Taylor & Francis

     Professor Nikos Ntoumanis

220. 
     Measurement invariance of the Behavioural Regulation in Sport Questionnaire when completed by young athletes across five European countries

     Article • International Journal of Sport and Exercise Psychology, October 2013, Taylor & Francis

     Professor Nikos Ntoumanis

221. 
     Weight maintenance: Self-regulatory factors underpinning success and failure

     Article • Psychology & Health, October 2013, Taylor & Francis

     Professor Nikos Ntoumanis

222. 
     When the Going Gets Tough: The “Why” of Goal Striving Matters

     Article • Journal of Personality, August 2013, Wiley

     Professor Nikos Ntoumanis

223. 
     Daily fluctuations in the affective states of dancers: A cross-situational test of basic needs theory

     Article • Psychology of Sport and Exercise, July 2013, Elsevier

     Professor Nikos Ntoumanis

224. 
     Autonomy support and control in weight management: What important others do and say matters

     Article • British Journal of Health Psychology, June 2013, Wiley

     Professor Nikos Ntoumanis

225. 
     Development and Initial Validation of the Impression Motivation in Sport Questionnaire–Team

     Article • Journal of Sport and Exercise Psychology, June 2013, Human Kinetics

     Professor Nikos Ntoumanis

226. 
     Predicting Psychological Needs and Well-Being of Individuals Engaging in Weight Management: The Role of Important Others

     Article • Applied Psychology Health and Well-Being, May 2013, Wiley

     Professor Nikos Ntoumanis

227. 
     Multiple-goal management: An examination of simultaneous pursuit of a weight-loss goal with another goal

     Article • Journal of Health Psychology, May 2013, SAGE Publications

     Professor Nikos Ntoumanis

228. 
     The Goose Is (Half) Cooked: a Consideration of the Mechanisms and Interpersonal Context Is Needed to Elucidate the Effects of Personal Financial Incentives on Health Behaviour

     Article • International Journal of Behavioral Medicine, April 2013, Springer Science + Business Media

     Professor Martin S Hagger, Professor Nikos Ntoumanis

229. 
     Effects of motivation and depletion on the ability to resist the temptation to avoid physical activity

     Article • International Journal of Sport and Exercise Psychology, March 2013, Taylor & Francis

     Professor Nikos Ntoumanis

230. 
     Impression Motivation in Sport Questionnaire–Team

     Article • January 2013, American Psychological Association (APA)

     Professor Nikos Ntoumanis

231. 
     Further Validation and Development of the Movement Imagery Questionnaire

     Article • Journal of Sport and Exercise Psychology, October 2012, Human Kinetics

     Professor Nikos Ntoumanis

232. 
     Motivation Contagion When Instructing Obese Individuals: A Test in Exercise Settings

     Article • Journal of Sport and Exercise Psychology, August 2012, Human Kinetics

     Professor Nikos Ntoumanis

233. 
     Antecedents of Perceived Coach Interpersonal Behaviors: The Coaching Environment and Coach Psychological Well- and Ill-Being

     Article • Journal of Sport and Exercise Psychology, August 2012, Human Kinetics

     Professor Nikos Ntoumanis

234. 
     Self-Determination Theory Applied to Health Contexts

     Article • Perspectives on Psychological Science, June 2012, SAGE Publications

     Professor Nikos Ntoumanis, Richard Ryan

235. 
     Communication style and exercise compliance in physiotherapy (CONNECT). A cluster randomized controlled trial to test a theory-based intervention to increase chronic low back pain patients’ adherence to physiotherapists’ recommendations: study rational...

     Article • BMC Musculoskeletal Disorders, June 2012, Springer Science + Business Media

     A/Prof Chris Lonsdale, Professor Nikos Ntoumanis

236. 
     Motivational influences of social agents in the physical domain: First virtual issue of Psychology of Sport and Exercise

     Article • Psychology of Sport and Exercise, May 2012, Elsevier

     Professor Nikos Ntoumanis

237. 
     On passion and moral behavior in achievement settings: The mediating role of pride

     Article • Motivation and Emotion, April 2012, Springer Science + Business Media

     Professor Nikos Ntoumanis

238. 
     Predicting Students’ Physical Activity and Health-Related Well-Being: A Prospective Cross-Domain Investigation of Motivation across School Physical Education and Exercise Settings

     Article • Journal of Sport and Exercise Psychology, February 2012, Human Kinetics

     Professor Nikos Ntoumanis

239. 
     Exercise imagery and its correlates in older adults

     Article • Psychology of Sport and Exercise, January 2012, Elsevier

     Dr Jennifer Cumming, Professor Nikos Ntoumanis

240. 
     A longitudinal examination of coach and peer motivational climates in youth sport: Implications for moral attitudes, well-being, and behavioral investment.

     Article • Developmental Psychology, January 2012, American Psychological Association (APA)

     Professor Nikos Ntoumanis

241. 
     Perceived coach-autonomy support, basic need satisfaction and the well- and ill-being of elite youth soccer players: A longitudinal investigation

     Article • Psychology of Sport and Exercise, January 2012, Elsevier

     Professor Nikos Ntoumanis

242. 
     Basic Psychological Need Satisfaction, Stress-Related Appraisals, and Dancers’ Cortisol and Anxiety Responses

     Article • Journal of Sport and Exercise Psychology, December 2011, Human Kinetics

     Professor Nikos Ntoumanis

243. 
     Psychology of Sport and Exercise: Current status and future aspirations

     Article • Psychology of Sport and Exercise, July 2011, Elsevier

     Professor Nikos Ntoumanis

244. 
     Self-Determination Theory and Diminished Functioning

     Article • Personality and Social Psychology Bulletin, June 2011, SAGE Publications

     Professor Nikos Ntoumanis, Richard Ryan

245. 
     When feeling attractive matters too much to women: A process underpinning the relation between psychological need satisfaction and unhealthy weight control behaviors

     Article • Motivation and Emotion, June 2011, Springer Science + Business Media

     Professor Nikos Ntoumanis

246. 
     Measuring student motivation for physical education: Examining the psychometric properties of the Perceived Locus of Causality Questionnaire and the Situational Motivation Scale

     Article • Psychology of Sport and Exercise, June 2011, Elsevier

     A/Prof Chris Lonsdale, Professor Nikos Ntoumanis

247. 
     In the beginning: Role of autonomy support on the motivation, mental health and intentions of participants entering an exercise referral scheme

     Article • Psychology & Health, June 2011, Taylor & Francis

     Professor Nikos Ntoumanis

248. 
     Can Self-Esteem Protect against the Deleterious Consequences of Self-Objectification for Mood and Body Satisfaction in Physically Active Female University Students?

     Article • Journal of Sport and Exercise Psychology, April 2011, Human Kinetics

     Professor Nikos Ntoumanis

249. 
     Goal Striving, Coping, and Well-Being: A Prospective Investigation of the Self-Concordance Model in Sport

     Article • Journal of Sport and Exercise Psychology, February 2011, Human Kinetics

     Professor Nikos Ntoumanis

250. 
     The Role of Athlete Narcissism in Moderating the Relationship between Coaches’ Transformational Leader Behaviors and Athlete Motivation

     Article • Journal of Sport and Exercise Psychology, February 2011, Human Kinetics

     Professor Nikos Ntoumanis

251. 
     Psychological Need Thwarting in the Sport Context: Assessing the Darker Side of Athletic Experience

     Article • Journal of Sport and Exercise Psychology, February 2011, Human Kinetics

     Professor Nikos Ntoumanis, Richard Ryan

252. 
     Psychological Need Thwarting Scale

     Article • January 2011, American Psychological Association (APA)

     Professor Nikos Ntoumanis

253. 
     Testing a model of antecedents and consequences of defensive pessimism and self-handicapping in school physical education

     Article • Journal of Sports Sciences, December 2010, Taylor & Francis

     Professor Nikos Ntoumanis

254. 
     The effect of an intervention to improve newly qualified teachers’ interpersonal style, students motivation and psychological need satisfaction in sport-based physical education

     Article • Contemporary Educational Psychology, October 2010, Elsevier

     Professor Nikos Ntoumanis

255. 
     Achievement Goals, Competition Appraisals, and the Well- and Ill-Being of Elite Youth Soccer Players Over Two Competitive Seasons

     Article • Journal of Sport and Exercise Psychology, August 2010, Human Kinetics

     Professor Nikos Ntoumanis

256. 
     Unhealthy weight control behaviours in adolescent girls: a process model based on self-determination theory

     Article • Psychology & Health, June 2010, Taylor & Francis

     Professor Nikos Ntoumanis

257. 
     The Controlling Interpersonal Style in a Coaching Context: Development and Initial Validation of a Psychometric Scale

     Article • Journal of Sport and Exercise Psychology, April 2010, Human Kinetics

     Professor Nikos Ntoumanis

258. 
     Developmental changes in achievement motivation and affect in physical education: Growth trajectories and demographic differences

     Article • Psychology of Sport and Exercise, March 2010, Elsevier

     Professor Nikos Ntoumanis

259. 
     Motivational Predictors of Physical Education Students’ Effort, Exercise Intentions, and Leisure-Time Physical Activity: A Multilevel Linear Growth Analysis

     Article • Journal of Sport and Exercise Psychology, February 2010, Human Kinetics

     Professor Nikos Ntoumanis

260. 
     An Investigation of Coach Behaviors, Goal Motives, and Implementation Intentions as Predictors of Well-Being in Sport

     Article • Journal of Applied Sport Psychology, January 2010, Taylor & Francis

     Professor Nikos Ntoumanis

261. 
     Controlling Coach Behavior Scale

     Article • January 2010, American Psychological Association (APA)

     Professor Nikos Ntoumanis

262. 
     Controlling Coach Behaviors Scale

     Article • January 2010, American Psychological Association (APA)

     Professor Nikos Ntoumanis

263. 
     Basic Psychological Needs Scale--Modified

     Article • January 2010, American Psychological Association (APA)

     Professor Nikos Ntoumanis

264. 
     Psychological needs and the prediction of exercise‐related cognitions and affect among an ethnically diverse cohort of adult women

     Article • International Journal of Sport and Exercise Psychology, January 2010, Taylor & Francis

     Professor Nikos Ntoumanis

265. 
     The basic psychological needs in exercise scale: Translation and evidence for cross‐cultural validity

     Article • International Journal of Sport and Exercise Psychology, January 2010, Taylor & Francis

     Professor Nikos Ntoumanis

266. 
     Achievement goals, self-handicapping, and performance: A 2 × 2 achievement goal perspective

     Article • Journal of Sports Sciences, November 2009, Taylor & Francis

     Professor Nikos Ntoumanis

267. 
     Morality in Sport: A Self-Determination Theory Perspective

     Article • Journal of Applied Sport Psychology, October 2009, Taylor & Francis

     Professor Nikos Ntoumanis

268. 
     A review of controlling motivational strategies from a self-determination theory perspective: implications for sports coaches

     Article • International Review of Sport and Exercise Psychology, September 2009, Taylor & Francis

     Professor Nikos Ntoumanis

269. 
     Motivation in physical education classes

     Article • School Field, June 2009, SAGE Publications

     Professor Nikos Ntoumanis

270. 
     Evaluation of a standard provision versus an autonomy promotive exercise referral programme: rationale and study design

     Article • BMC Public Health, June 2009, Springer Science + Business Media

     Professor Nikos Ntoumanis

271. 
     Understanding the coping process from a self-determination theory perspective

     Article • British Journal of Health Psychology, May 2009, Wiley

     Professor Nikos Ntoumanis

272. 
     HELPING YOUR CLIENTS AND PATIENTS TAKE OWNERSHIP OVER THEIR EXERCISE

     Article • ACSMʼs Health & Fitness Journal, May 2009, Wolters Kluwer Health

     Professor Nikos Ntoumanis

273. 
     The role of motivation to eat in the prediction of weight control behaviors in female and male adolescents

     Article • Eating Behaviors, April 2009, Elsevier

     Professor Nikos Ntoumanis

274. 
     The social context as a determinant of teacher motivational strategies in physical education

     Article • Psychology of Sport and Exercise, February 2009, Elsevier

     Professor Nikos Ntoumanis

275. 
     Developmental trajectories of motivation in physical education: Course, demographic differences, and antecedents.

     Article • Journal of Educational Psychology, January 2009, American Psychological Association (APA)

     Professor Nikos Ntoumanis

276. 
     On passion and sports fans: A look at football

     Article • Journal of Sports Sciences, October 2008, Taylor & Francis

     Professor Nikos Ntoumanis

277. 
     Typologies of Greek inactive older adults based on reasons for abstaining from exercise and conditions for change

     Article • Journal of Sports Sciences, October 2008, Taylor & Francis

     Professor Nikos Ntoumanis

278. 
     Relationships among Values, Achievement Orientations, and Attitudes in Youth Sport

     Article • Journal of Sport and Exercise Psychology, October 2008, Human Kinetics

     Professor Nikos Ntoumanis

279. 
     Autonomy support, basic need satisfaction and the optimal functioning of adult male and female sport participants: A test of basic needs theory

     Article • Motivation and Emotion, September 2008, Springer Science + Business Media

     Professor Nikos Ntoumanis

280. 
     The effects of an experimental programme to support students’ autonomy on the overt behaviours of physical education teachers

     Article • European Journal of Psychology of Education, September 2008, Springer Science + Business Media

     Professor Nikos Ntoumanis

281. 
     Achievement Goals, Competition Appraisals, and the Psychological and Emotional Welfare of Sport Participants

     Article • Journal of Sport and Exercise Psychology, June 2008, Human Kinetics

     Professor Nikos Ntoumanis

282. 
     A Self-Determination Theory Approach to Understanding the Antecedents of Teachers’ Motivational Strategies in Physical Education

     Article • Journal of Sport and Exercise Psychology, February 2008, Human Kinetics

     Professor Nikos Ntoumanis

283. 
     Testing a self-determination theory-based teaching style intervention in the exercise domain

     Article • European Journal of Social Psychology, January 2008, Wiley

     Professor Nikos Ntoumanis

284. 
     Youth Sport Values Questionnaire-2

     Article • January 2008, American Psychological Association (APA)

     Professor Nikos Ntoumanis

285. 
     Goal Striving, Goal Attainment, and Well-Being: Adapting and Testing the Self-Concordance Model in Sport

     Article • Journal of Sport and Exercise Psychology, December 2007, Human Kinetics

     Professor Nikos Ntoumanis

286. 
     Achievement goals in physical education: Examining the predictive ability of five different dimensions of motivational climate

     Article • European Physical Education Review, October 2007, SAGE Publications

     Professor Nikos Ntoumanis

287. 
     Adherence and well-being in overweight and obese patients referred to an exercise on prescription scheme: A self-determination theory perspective

     Article • Psychology of Sport and Exercise, September 2007, Elsevier

     Professor Nikos Ntoumanis

288. 
     Comparing dichotomous and trichotomous approaches to achievement goal theory: An example using motivational regulations as outcome variables

     Article • British Journal of Educational Psychology, September 2007, Wiley

     Professor Nikos Ntoumanis

289. 
     Development of the Attitudes to Moral Decision-making in Youth Sport Questionnaire (AMDYSQ)

     Article • Psychology of Sport and Exercise, May 2007, Elsevier

     Professor Nikos Ntoumanis

290. 
     A Self-determination Theory Approach to the Study of Body Image Concerns, Self-presentation and Self-perceptions in a Sample of Aerobic Instructors

     Article • Journal of Health Psychology, March 2007, SAGE Publications

     Professor Nikos Ntoumanis

291. 
     Teacher motivational strategies and student self-determination in physical education.

     Article • Journal of Educational Psychology, January 2007, American Psychological Association (APA)

     Professor Nikos Ntoumanis

292. 
     Attitudes to Moral Decision-Making in Youth Sport Questionnaire

     Article • January 2007, American Psychological Association (APA)

     Professor Nikos Ntoumanis

293. 
     Examining Exercise Dependence Symptomatology from a Self-determination Perspective

     Article • Journal of Health Psychology, December 2006, SAGE Publications

     Professor Nikos Ntoumanis

294. 
     A Test of Self-Determination Theory in the Exercise Domain

     Article • Journal of Applied Social Psychology, September 2006, Wiley

     Professor Nikos Ntoumanis

295. 
     The role of self-determined motivation in the understanding of exercise-related behaviours, cognitions and physical self-evaluations

     Article • Journal of Sports Sciences, April 2006, Taylor & Francis

     Professor Nikos Ntoumanis

296. 
     Predicting young athletes' motivational indices as a function of their perceptions of the coach- and peer-created climate

     Article • Psychology of Sport and Exercise, March 2006, Elsevier

     Professor Nikos Ntoumanis

297. 
     Students' Motivational Processes and Their Relationship to Teacher Ratings in School Physical Education: A Self-Determination Theory Approach

     Article • Research Quarterly for Exercise and Sport, March 2006, Taylor & Francis

     Professor Nikos Ntoumanis

298. 
     Students' Motivational Processes and Their Relationship to Teacher Ratings in School Physical Education

     Article • Research Quarterly for Exercise and Sport, March 2006, Taylor & Francis

     Professor Nikos Ntoumanis

299. 
     Basic Need for Exercise Satisfaction Scale

     Article • January 2006, American Psychological Association (APA)

     Professor Nikos Ntoumanis

300. 
     Peer Motivational Climate in Youth Sport: Measurement Development and Validation

     Article • Journal of Sport and Exercise Psychology, December 2005, Human Kinetics

     Professor Nikos Ntoumanis

301. 
     Relationships between exercise and three components of mental well-being in corporate employees

     Article • Psychology of Sport and Exercise, November 2005, Elsevier

     Professor Nikos Ntoumanis

302. 
     A test of self-determination theory in school physical education

     Article • British Journal of Educational Psychology, September 2005, Wiley

     Professor Nikos Ntoumanis

303. 
     Peer motivational climate in youth sport: a qualitative inquiry

     Article • Psychology of Sport and Exercise, September 2005, Elsevier

     Professor Nikos Ntoumanis

304. 
     Organized Activities As Contexts of Development

     Article • January 2005, Taylor & Francis

     Professor Nikos Ntoumanis

305. 
     A Prospective Study of Participation in Optional School Physical Education Using a Self-Determination Theory Framework.

     Article • Journal of Educational Psychology, January 2005, American Psychological Association (APA)

     Professor Nikos Ntoumanis

306. 
     Peer Motivational Climate in Youth Sport Questionnaire

     Article • January 2005, American Psychological Association (APA)

     Professor Nikos Ntoumanis

307. 
     Basic Psychological Needs Satisfaction Scale

     Article • January 2005, American Psychological Association (APA)

     Professor Nikos Ntoumanis

308. 
     Dimensions of Peer Motivational Climate in Youth Sport Interview Schedule

     Article • January 2005, American Psychological Association (APA)

     Professor Nikos Ntoumanis

309. 
     A psychometric evaluation of the Group Environment Questionnaire in a sample of elite and regional level Greek volleyball players

     Article • European Physical Education Review, October 2004, SAGE Publications

     Professor Nikos Ntoumanis

310. 
     Dimensions of Coaching Behavior, Need Satisfaction, and the Psychological and Physical Welfare of Young Athletes

     Article • Motivation and Emotion, September 2004, Springer Science + Business Media

     Professor Nikos Ntoumanis

311. 
     The Coach-Athlete Relationship Questionnaire (CART-Q): development and initial validation

     Article • Scandinavian Journal of Medicine and Science in Sports, August 2004, Wiley

     Professor Nikos Ntoumanis

312. 
     An Idiographic Analysis of Amotivation in Compulsory School Physical Education

     Article • Journal of Sport and Exercise Psychology, June 2004, Human Kinetics

     Professor Nikos Ntoumanis

313. 
     Relationship between psychological and biological factors and physical activity and exercise behaviour in Filipino students

     Article • International Journal of Sport and Exercise Psychology, January 2004, Taylor & Francis

     Professor Nikos Ntoumanis

314. 
     Effects of a Sport Education Intervention on Students’ Motivational Responses in Physical Education

     Article • Journal of Teaching in Physical Education, January 2004, Human Kinetics

     Professor Nikos Ntoumanis

315. 
     Participation in Sport and Moral Functioning: Does Ego Orientation Mediate Their Relationship?

     Article • Journal of Sport and Exercise Psychology, December 2003, Human Kinetics

     Professor Nikos Ntoumanis

316. 
     A Step-by-Step Guide to SPSS for Sport and Exercise Studies

     Article • September 2003, Taylor & Francis

     Professor Nikos Ntoumanis

317. 
     Criteria of Personal, Boys', and Girls' Popularity as Ranked by Greek Adolescents

     Article • Perceptual and Motor Skills, August 2003, SAGE Publications

     Professor Nikos Ntoumanis

318. 
     Contextual and Situational Motivation in Education: A Test of the Specificity Hypothesis

     Article • European Physical Education Review, February 2003, SAGE Publications

     Professor Nikos Ntoumanis

319. 
     A model of contextual motivation in physical education: Using constructs from self-determination and achievement goal theories to predict physical activity intentions.

     Article • Journal of Educational Psychology, January 2003, American Psychological Association (APA)

     Professor Nikos Ntoumanis

320. 
     Correlates of achievement goal orientations in physical education

     Article • International Journal of Educational Research, January 2003, Elsevier

     Professor Nikos Ntoumanis

321. 
     Predicting motivational regulations in physical education: the interplay between dispositional goal orientations, motivational climate and perceived competence

     Article • Journal of Sports Sciences, January 2003, Taylor & Francis

     Professor Nikos Ntoumanis

322. 
     A model of contextual motivation in physical education: Using constructs from self-determination and achievement goal theories to predict physical activity intentions.

     Article • Journal of Educational Psychology, January 2003, American Psychological Association (APA)

     Professor Nikos Ntoumanis

323. 
     Contextual Influences on Moral Functioning of College Basketball Players

     Article • The Sport Psychologist, December 2002, Human Kinetics

     Professor Nikos Ntoumanis

324. 
     Testing the mediating role of physical acceptance in the relationship between physical activity and self-esteem: An empirical study with Danish public servants

     Article • European Journal of Sport Science, October 2002, Taylor & Francis

     Professor Nikos Ntoumanis

325. 
     Motivational clusters in a sample of British physical education classes

     Article • Psychology of Sport and Exercise, July 2002, Elsevier

     Professor Nikos Ntoumanis

326. 
     A self-determination approach to the understanding of motivation in physical education

     Article • British Journal of Educational Psychology, June 2001, Wiley

     Professor Nikos Ntoumanis

327. 
     Empirical links between achievement goal theory and self-determination theory in sport

     Article • Journal of Sports Sciences, January 2001, Taylor & Francis

     Professor Nikos Ntoumanis

328. 
     Relationship of Intensity and Direction of Competitive Anxiety with Coping Strategies

     Article • The Sport Psychologist, December 2000, Human Kinetics

     Professor Nikos Ntoumanis

329. 
     A review of motivational climate in physical activity

     Article • Journal of Sports Sciences, January 1999, Taylor & Francis

     Professor Nikos Ntoumanis

330. 
     The mediating role of coping strategies on the relationship between achievement motivation and affect in sport

     Article • Anxiety Stress & Coping, January 1999, Taylor & Francis

     Professor Nikos Ntoumanis

331. 
     The relationship of coping and its perceived effectiveness to positive and negative affect in sport

     Article • Personality and Individual Differences, June 1998, Elsevier

     Professor Nikos Ntoumanis

332. 
     The Relationship between Competitive Anxiety, Achievement Goals, and Motivational Climates

     Article • Research Quarterly for Exercise and Sport, June 1998, Taylor & Francis

     Professor Nikos Ntoumanis

333. 
     Moral Values and Attitudes

     Article • SAGE Publications

     Professor Nikos Ntoumanis

334. 
     Strength Model of Self-Control

     Article • SAGE Publications

     Professor Nikos Ntoumanis

335. 
     Motivation in sport

     Article • Taylor & Francis

     Cliff Mallett, Professor Nikos Ntoumanis

336. 
     Intervention strategies with injured athletes: A case study

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

337. 
     The Psychophysical Effects of Music in Sport and Exercise

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

338. 
     Goal self-determination and adaptive goal disengagement/re-engagement in sport

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

339. 
     Amotivation, reasons for not exercising and conditions for change in a sample of older Greek adults

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

340. 
     A longitudinal investigation of the self-concordance model in sport

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

341. 
     Approach and avoidance achievement goals, appraisals of sport competition and the psychological welfare of junior elite soccer players: A longitudinal analysis

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

342. 
     Predicting weight and negative affect among overweight and obese individuals referred to an exercise on prescription scheme: A Self-Determination Theory perspective

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

343. 
     Students' motivational responses and their relationship to "effort-related" teacher ratings in school physical education: A self-determination theory approach

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

344. 
     Testing a model of self-determination theory within the context of school physical education: A gender invariance approach

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

345. 
     Peer motivational climate in youth sport

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis

346. 
     You'll never walk alone: Passion in Soccer Fans

     Article • American Psychological Association (APA)

     Professor Nikos Ntoumanis