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  1. The psychological characteristics of conspiracy theorists.

    Article • April 2023, Center for Open Science

    Thomas Costello

  2. Beyond left and right: A better model of political attitudes

    Article • Trends in Cognitive Sciences, April 2023, Elsevier

    Thomas Costello

  3. Which Americans are authoritarian and against democracy?

    Article • American Politics Research, February 2023, SAGE Publications

    Thomas Costello

  4. How political conservatism relates to different types of rigidity: A comprehensive review

    Article • Journal of Personality and Social Psychology, November 2022, American Psychological Association (APA)

    Thomas Costello

  5. Measuring left-wing authoritarianism with machine learning

    Article • Journal of Personality Assessment, June 2022, Taylor & Francis

    Thomas Costello

  6. Problems with the status-quo in political psychology.

    Article • Psychological Inquiry, April 2022, Taylor & Francis

    Thomas Costello

  7. The road less traveled: Understanding adversaries is hard but smarter than ignoring them.

    Article • Journal of Applied Research in Memory and Cognition, March 2022, American Psychological Association (APA)

    Cory Clark, Thomas Costello

  8. Keep your enemies close: Adversarial collaborations will improve behavioral science.

    Article • Journal of Applied Research in Memory and Cognition, March 2022, American Psychological Association (APA)

    Cory Clark, Thomas Costello

  9. Political extremists are overconfident about their beliefs

    Article • Social Psychological and Personality Science, February 2022, SAGE Publications

    Thomas Costello

  10. Left-wing authoritarianism: What is it and why does it matter?

    Article • Journal of Personality and Social Psychology, January 2022, American Psychological Association (APA)

    Thomas Costello, Shauna Bowes

  11. Stepping Outside the Echo Chamber: Is Intellectual Humility Associated With Less Political Myside Bias?

    Article • Personality and Social Psychology Bulletin, March 2021, SAGE Publications

    Thomas Costello

  12. The hidden effects of economic and social political ideology on personality and social psychology

    Article • Social Psychological and Personality Science, October 2020, SAGE Publications

    Thomas Costello

  13. Cognitive biases, heuristics, and logical fallacies in clinical practice: A brief field guide for practicing clinicians and supervisors.

    Article • Professional Psychology Research and Practice, October 2020, American Psychological Association (APA)

    Shauna Bowes, Thomas Costello

  14. Intellectual humility and between-party animus: Implications for affective polarization in two community samples

    Article • Journal of Research in Personality, October 2020, Elsevier

    Thomas Costello

  15. Looking under the tinfoil hat: Clarifying the personological and psychopathological correlates of conspiracy beliefs

    Article • Journal of Personality, September 2020, Wiley

    Thomas Costello

  16. How your personality and politics shape your views on free will

    Article • Journal of Research in Personality, June 2020, Elsevier

    Thomas Costello

  17. How sexual objectification relates to psychopathic traits

    Article • Personality Disorders Theory Research and Treatment, November 2019, American Psychological Association (APA)

    Thomas Costello

  18. Personality Disorders as Emergent Interpersonal Syndromes: Psychopathic Personality as a Case Example

    Article • Journal of Personality Disorders, October 2019, Guilford Publications

    Thomas Costello

  19. Psychopathy as an Emergent Interpersonal Syndrome: Further Reflections and Future Directions

    Article • Journal of Personality Disorders, October 2019, Guilford Publications

    Thomas Costello

  20. Risky business: Psychopathy, framing effects, and financial outcomes

    Article • Journal of Research in Personality, February 2019, Elsevier

    Thomas Costello

  21. Is empathic contagion helpful or harmful? Overlooked heterogeneity in the Empathy Index.

    Article • Psychological Assessment, July 2018, American Psychological Association (APA)

    Thomas Costello

  22. Psychopathy and entertainment preferences: Clarifying the role of abnormal and normal personality in music and movie interests

    Article • Personality and Individual Differences, July 2018, Elsevier

    Thomas Costello

  23. Strengths and Weaknesses of Two Empathy Measures: A Comparison of the Measurement Precision, Construct Validity, and Incremental Validity of Two Multidimensional Indices

    Article • Assessment, May 2018, SAGE Publications

    Thomas Costello

  24. Psychopathy and Pride: Testing Lykken’s Hypothesis Regarding the Implications of Fearlessness for Prosocial and Antisocial Behavior

    Article • Frontiers in Psychology, February 2018, Frontiers

    Thomas Costello