- Evolutionary and ecological theories and psychology, particularly epidemiological studies on lethal violence among humans, and the behavioral ecology of desert rodents (McMaster University, Ontario, Canada).
- Family relationships, pubertal timing, and onset of sexual activity and reproduction; sexual attraction and mate selection; dependence and investment in dating relationships (University of Canterbury, New Zealand).
- Evolutionary psychology, emotion, sex and reproduction, food and eating, violence and risk-taking, conformity and cooperation (University of California at Los Angeles).
- Evolutionary psychology; social cognition; close relationships and relationship breakup; sex differences in memory; jealousy; (Francis Marion University, South Carolina).
- Sex Differences in Behaviour; American Politics; American Culture and Society; Marriage Institutions; Monogamy vs. polygyny (London School of Economics, UK)
- Evolutionary psychology; psychology of religion; adult attachment and close relationships; statistics, psychometrics, and research methods; social and personality psychology (College of William and Mary, Virginia).
- Social and psychological influences on male reproductive physiology and sexual behaviour; sperm competition; intrasexual variation in sexually dimorphic traits; face perception (Brunel University, UK)
- Life and theories of Charles Darwin; origins and validity of psychoanalysis; birth order, family dynamics and personality (University of California at Berkeley).
- Evolutionary and ecological aspects of animal social psychology and behavior; insect behavioral ecology; human behavioral ecology and evolutionary psychology; evolutionary methodology (University of New Mexico)