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  1. Ecopsychology: Psychologizing Ecology and Ecologizing Psychology.

    Article • November 2024, Oxford University Press (OUP)

    Dr. Matthew Ryan Jamnik

  2. The impact of dopamine receptor D4, temperamental negativity, and household chaos on young twins’ externalizing behaviors

    Article • Developmental Psychobiology, April 2023, Wiley

    Dr. Matthew Ryan Jamnik

  3. Categorical Human Mind: A Dialectical Daoist Yin-Yang Perspective

    Article • Psychology Research and Practice, January 2023, Omniscient Pte Ltd

    Dr. Matthew Ryan Jamnik

  4. Birth Complications and Negative Emotionality Predict Externalizing Behaviors in Young Twins: Moderations with Genetic and Family Risk Factors

    Article • Behavior Genetics, May 2021, Springer Science + Business Media

    Dr. Matthew Ryan Jamnik

  5. The Darwin-God dilemma: A totemic approach to the meaning of life and human existence.

    Article • Evolutionary Behavioral Sciences, October 2020, American Psychological Association (APA)

    Yueh-Ting Lee, Dr. Matthew Ryan Jamnik

  6. The Southern Illinois Twins/Triplets and Siblings Study (SITSS): A Longitudinal Study of Early Child Development

    Article • Twin Research and Human Genetics, July 2019, Cambridge University Press

    Dr. Matthew Ryan Jamnik

  7. Health Outcomes Associated With Internalizing Problems in Early Childhood and Adolescence

    Article • Frontiers in Psychology, January 2019, Frontiers

    Dr. Matthew Ryan Jamnik

  8. Digital Media and Preschoolers Behavior: A Behavioral Genetic Perspective

    Article • The Journal of Genetic Psychology, April 2018, Taylor & Francis

    Lisabeth DiLalla, Dr. Matthew Ryan Jamnik

  9. The dark side of self-control: High self-control leads to better outcomes when engaging in bad behaviors

    Article • Personality and Individual Differences, January 2017, Elsevier

    Dr. Matthew Ryan Jamnik

  10. Behavioral Genetics

    Article • November 2011, Oxford University Press (OUP)

    Dr. Matthew Ryan Jamnik