• 1281 Citations
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Personal profile


I am a social-evolutionary psychologist and my research focusses on gaining a better understanding of the features and functions of emotions, especially disgust. More recently, I have been investigating the causes and consequences of interpersonal revenge. In addition, with my graduate students, I have investigated such topics as gullibility, dehumanization, inspiration, and the source effect for disgust. My main teaching area is social psychology, which I teach at undergraduate level. I am Director of the Psychology Honours program, and I have held several key service roles in the university including Deputy Chair of the University Human Research Ethics Committee. I serve on several journal editorial boards and as an Assessor for the Australian Research Council.

Research interests

  • Disgust
  • Revenge
  • False beliefs 


I am Unit Convenor for the 2nd year core unit in Social and Personality Psychology, and I regularly deliver lectures at all undergraduate levels on social and evolutionary psychological topics. I also supervise Honours and post-graduate students each year. I currently teach on the following courses.

PSYC105 Introduction to Psychology II

PSY234 Social and Personality Psychology (Unit Chair)

PSYC 439 Evolution of Social, Sexual and Emotional Behaviour

Through my teaching and research, I hope to inspire others to value learning for its own sake.

Research student supervision

I am the principal supervisor of two Ph.D students:

  • Alessa Teunisse, who is researching the psychology of gullibility.
  • Mick Weston, who is researching the source effect for disgust.

Community engagement

I have held several key administrative service roles within the university. Over the past 5 years I have been Deputy Chair of the University Human Research Ethics Committee, and I have served on the University Academic Standards and Quality Committee. I am currently Director of the Psychology Honours program. I have served as an Assessor for the Australian Research Council for over a decade, and on the editorial boards of Personal Relationships and Frontiers: Evolutionary Psychology.

Research engagement

Together with my colleagues, we have attracted over half-a-million dollars of funding from the ARC for our research on disgust. My research has been described in the leading textbook on the field of evolutionary psychology by David Buss and is reported in local and international media. 

Fingerprint Dive into the research topics where Trevor Case is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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Projects 2006 2017

Disgust as a psychosocial defence against infectious disease

Stevenson, R., Case, T., Hodgson, D., Oaten, M. & Newton, J.


Project: Research

contagious disease

Mating strategies and disgust

Case, T. & Stevenson, R. J.


Project: Research


Research Outputs 2001 2019

A proximal perspective on disgust

Stevenson, R. J., Case, T. I., Oaten, M. J., Stafford, L. & Saluja, S., 1 Jul 2019, In : Emotion Review. 11, 3, p. 209-225 17 p.

Research output: Contribution to journalArticleResearchpeer-review

Emotional Intelligence
Self Report
Statistical Factor Analysis

The animal origins of disgust: reports of basic disgust in nonhuman great apes

Case, T. I., Stevenson, R. J., Byrne, R. W. & Hobaiter, C., 23 May 2019, In : Evolutionary Behavioral Sciences.

Research output: Contribution to journalArticleResearchpeer-review

Avoidance Learning
Pan troglodytes
Health Personnel

The role of disgust in male sexual decision-making

Oaten, M., Stevenson, R. J., Tapp, C., Case, T. I. & Cousins, A., Jan 2019, In : Frontiers in Psychology. 9, JAN, p. 1-10 10 p., 2602.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Decision Making
Sex Workers
Unsafe Sex

Can the positive effects of inspiration be extended to different domains?

Klein, J. W., Case, T. I. & Fitness, J., Jan 2018, In : Journal of Applied Social Psychology. 48, 1, p. 28-34 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Task Performance and Analysis

Press / Media

The Poop Smell Experiment and What Love Truly Means

Trevor Case


1 item of media coverage

Press/Media: Research