All Stories

  1. Unpredictable Needs are Associated with Lower Expectations of Repayment
  2. Wishing our friends would take it seriously: What predicts concern about friends’ behavior during the COVID-19 pandemic?
  3. Descriptive, not injunctive, social norms caused increases in mask wearing during the COVID-19 pandemic
  4. How genetic conflict theory can inform studies of human nature
  5. Fitness interdependence as indexed by shared fate: Factor structure and validity of a new measure.
  6. What is Reciprocity? A Review and Expert-based Classification of Cooperative Transfers
  7. Mother-in-Law Daughter-in-Law Conflict: an Evolutionary Perspective and Report of Empirical Data from the USA
  8. Agreeableness and neuroticism predict being more concerned about COVID-19 and bothered by friends’ risky behavior
  9. Do rules of friendship tell us what traits we value in friends?
  10. Women behave more competitively when presented with competitive scenarios
  11. Mask wearing behavior across routine and leisure activities during COVID-19
  12. Competitive scenarios increase competition in women: A meta-analysis
  13. What predicts attitudes about mask wearing?
  14. Coordinated condemnation in women's intrasexual competition
  15. The changing landscape of friendship in the pandemic: Younger people and people with higher subjective socioeconomic status experience more negative effects of the pandemic on their friendships
  16. The role of Perceived Risk, Stress, and Future Orientation on Mask Wearing During COVID-19
  17. Mother-in-law daughter-in-law conflict: An evolutionary perspective, ethnographic review, and report of empirical data from the United States
  18. How did the COVID-19 pandemic affect cooperation and interdependence?
  19. Fitness interdependence as indexed by shared fate: Factor structure and validity of a new measure
  20. Do Smartphones Create a Coordination Problem for Face‐to‐Face Interaction? Leveraging Game Theory to Understand and Solve the Smartphone Dilemma
  21. Need-Based Transfer Systems are More Vulnerable to Cheating When Resources are Hidden