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  1. Multidisciplinary Perspectives on Grit

    Article • January 2021, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  2. Positive Organizational Interventions: Contemporary Theories, Approaches and Applications

    Article • January 2021, Frontiers

    Dr. Llewellyn Ellardus van Zyl

  3. Developing Gritty Job Seekers: A Need-Supportive Approach to Grit Interventions

    Article • January 2021, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  4. Editorial: Positive Organizational Interventions: Contemporary Theories, Approaches and Applications

    Article • Frontiers in Psychology, November 2020, Frontiers

    Dr. Llewellyn Ellardus van Zyl

  5. Exploring meaning in life through a brief photo-ethnographic intervention using Instagram: a Bayesian growth modelling approach

    Article • International Review of Psychiatry, October 2020, Taylor & Francis

    Dr. Llewellyn Ellardus van Zyl

  6. The Concept and Components of Engagement in Different Domains Applied to eHealth: A Systematic Scoping Review

    Article • Frontiers in Psychology, May 2020, Frontiers

    Dr. Llewellyn Ellardus van Zyl

  7. The Psychometric Properties of the Grit-O Scale Within the Twente Region in Netherlands: An ICM-CFA vs. ESEM Approach

    Article • Frontiers in Psychology, May 2020, Frontiers

    Dr. Llewellyn Ellardus van Zyl

  8. Positive Psychological Coaching Definitions and Models: A Systematic Literature Review

    Article • Frontiers in Psychology, May 2020, Frontiers

    Dr. Llewellyn Ellardus van Zyl

  9. Mental Health, Work Engagement and Meaningful Work-Role Fit of Industrial Psychologists: A Latent Profile Analysis

    Article • Psychological Studies, March 2020, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  10. Debating the scientific credibility of industrial and organisational psychology: A rebuttal

    Article • SA Journal of Industrial Psychology, December 2019, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  11. Enhancing scientific credibility: An open science strategy for the South African Journal of Industrial Psychology

    Article • SA Journal of Industrial Psychology, December 2019, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  12. The Mental Health Continuum-Short Form in Organisational Contexts: Factorial Validity, Invariance, and Internal Consistency

    Article • European Journal of Mental Health, December 2019, Binwin BT

    Dr. Llewellyn Ellardus van Zyl

  13. To Leave or Not to Leave? A Multi-Sample Study on Individual, Job-Related, and Organizational Antecedents of Employability and Retirement Intentions

    Article • Frontiers in Psychology, September 2019, Frontiers

    Dr. Llewellyn Ellardus van Zyl

  14. Work engagement and task performance within a global Dutch ICT-consulting firm: The mediating role of innovative work behaviors

    Article • Current Psychology, July 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  15. Making Moments Meaningful: A protocol for a brief positive psychological photo-ethnographic intervention using Instagram (Preprint)

    Article • July 2019, JMIR Publications Inc.

    Dr. Llewellyn Ellardus van Zyl

  16. On reproducibility and replicability: Arguing for open science practices and methodological improvements at the South African Journal of Industrial Psychology

    Article • SA Journal of Industrial Psychology, May 2019, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  17. A critical reflection on the psychology of retention

    Article • SA Journal of Industrial Psychology, January 2019, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  18. #NoFilter: An Online Photographic Meaningful-Moments Intervention

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  19. Best-Practice Guidelines for Positive Psychological Intervention Research Design

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  20. Inspiring Growth: A Counselling Framework for Industrial Psychology Practitioners

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  21. Positive Journal Writing Across Multicultural Contexts: A Protocol for Practice

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  22. Positive Psychological Interventions Aimed at Managing Territorial Behaviours Within the Organisational Context

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  23. Brief Positive Psychological Interventions Within Multi-cultural Organizational Contexts: A Systematic Literature Review

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  24. Evidence-Based Positive Psychological Interventions in Multi-Cultural Contexts

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  25. Flourishing Interventions 2.0: A Practical Guide to Student Development

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  26. Measuring Flourishing @ Work Interventions: The Development and Validation of the Flourishing-at-Work Scale

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  27. Positive Psychological Intervention Design and Protocols for Multi-Cultural Contexts

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  28. The Open Case as a Setting for Addressing Challenges in Small Groups: Post-graduate Computer Science Students’ Perspectives

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  29. The Talent Development Centre as an Integrated Positive Psychological Leadership Development and Talent Analytics Framework

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  30. Theoretical Approaches to Multi-Cultural Positive Psychological Interventions

    Article • January 2019, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  31. Psychometric properties of the Psychological Ownership Questionnaire

    Article • Australian Journal of Psychology, November 2018, Taylor & Francis

    Dr. Llewellyn Ellardus van Zyl

  32. Future Perspectives on Psychological Ownership in Multi-cultural Contexts

    Article • January 2017, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  33. Measuring Psychological Ownership: A Critical Review

    Article • January 2017, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  34. Positive Psychological Interventions Aimed at Enhancing Psychological Ownership

    Article • January 2017, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  35. Theoretical Orientations and Practical Applications of Psychological Ownership

    Article • January 2017, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  36. Work Engagement, Psychological Ownership and Happiness in a Professional Services Industry Company

    Article • January 2017, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  37. Promoting fan engagement: An exploration of the fundamental motives for sport consumption amongst premier league football spectators

    Article • Journal of Psychology in Africa, August 2016, Taylor & Francis

    Dr. Llewellyn Ellardus van Zyl

  38. Industrial and Organizational Psychology

    Article • International Journal of Psychology, July 2016, Wiley

    Dr. Llewellyn Ellardus van Zyl

  39. Conceptualising the professional identity of industrial or organisational psychologists within the South African context

    Article • SA Journal of Industrial Psychology, April 2016, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  40. See you at the match: Motivation for sport consumption and intrinsic psychological reward of premier football league spectators in South Africa

    Article • SA Journal of Industrial Psychology, April 2016, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  41. See you at the match: Motivation for sport consumption and intrinsic psychological reward of premier football league spectators in South Africa

    Article • SA Journal of Industrial Psychology, April 2016, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  42. Teaching research methodology in an online ODL environment: strategies followed and lessons learnt

    Article • South African Journal of Higher Education, January 2016, Stellenbosch University

    Dr. Llewellyn Ellardus van Zyl

  43. Coaching Psychology: Meta-theoretical perspectives and applications in multicultural contexts

    Article • January 2016, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  44. Exploring Positive Psychology and Person-Centred Psychology in Multi-cultural Coaching

    Article • January 2016, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  45. The Future of Multi-cultural Coaching Psychology

    Article • January 2016, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  46. Training Emerging Psychologists as Multi-cultural Contextual Coaches

    Article • January 2016, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  47. The Relationship Between Employment Equity Perceptions and Psychological Ownership in a South African Mining House: The Role of Ethnicity

    Article • Social Indicators Research, May 2015, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  48. Leadership empowering behaviour, psychological empowerment, organisational citizenship behaviours and turnover intention in a manufacturing division

    Article • SA Journal of Industrial Psychology, February 2015, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  49. South African Journal of Industrial and Organisational Psychology: Annual editorial overview 2015

    Article • SA Journal of Industrial Psychology, February 2015, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  50. Towards happiness interventions: construct clarification and intervention methodologies

    Article • Journal of Psychology in Africa, July 2014, Taylor & Francis

    Dr. Llewellyn Ellardus van Zyl

  51. South African Journal of Industrial Psychology: Annual editorial overview 2014

    Article • SA Journal of Industrial Psychology, February 2014, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  52. A review of a decade’s scholarly publications (2004–2013) in the South African Journal of Industrial Psychology

    Article • SA Journal of Industrial Psychology, February 2014, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  53. Flourishing Interventions: A Practical Guide to Student Development

    Article • December 2013, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  54. Unpacking the meaning of sense of coherence in transcultural management

    Article • SA Journal of Human Resource Management, April 2013, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  55. Perspectives of female leaders on sense of coherence and mental health in an engineering environment

    Article • SA Journal of Industrial Psychology, March 2013, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  56. Seligman’s flourishing: An appraisal of what lies beyond happiness

    Article • SA Journal of Industrial Psychology, March 2013, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  57. Advancing research in industrial and organisational psychology – A brief overview of 2013

    Article • SA Journal of Industrial Psychology, January 2013, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  58. A Strengths-Based Approach Towards Coaching in a Multicultural Environment

    Article • January 2013, Springer Science + Business Media

    Dr. Llewellyn Ellardus van Zyl

  59. Beyond Smiling: The Evaluation of a Positive Psychological Intervention Aimed at Student Happiness

    Article • Journal of Psychology in Africa, January 2012, Taylor & Francis

    Dr. Llewellyn Ellardus van Zyl

  60. Flourishing of Students in a Tertiary Education Institution in South Africa

    Article • Journal of Psychology in Africa, January 2012, Taylor & Francis

    Dr. Llewellyn Ellardus van Zyl

  61. A Strengths Based Systems Approach Towards Work-Place and Executive Coaching in A Multi-Cultural Society

    Article • January 2012, American Psychological Association (APA)

    Dr. Llewellyn Ellardus van Zyl

  62. Happiness and Multicultural Interventions: A Critical Review of the Literature

    Article • January 2012, American Psychological Association (APA)

    Dr. Llewellyn Ellardus van Zyl

  63. SIBU and the crisis of water service delivery in Sannieshof, North West Province

    Article • The Journal for Transdisciplinary Research in Southern Africa, April 2010, AOSIS Open Journals

    Dr. Llewellyn Ellardus van Zyl

  64. Towards happiness: Experiences of work-role fit, meaningfulness and work engagement of industrial/organisational psychologists in South Africa

    Article • SA Journal of Industrial Psychology, March 2010, AOSIS Open Journals

    Dr Sebastiaan Rothmann, Dr. Llewellyn Ellardus van Zyl