All Stories

  1. Impulsivity as a trait in domestic dogs (Canis familiaris): A systematic review and meta-analysis.

    Article • Journal of Comparative Psychology, August 2023, American Psychological Association (APA)

    Dr Jeffrey R Stevens

  2. Reflections of the social environment in chimpanzee memory: applying rational analysis beyond humans

    Article • Royal Society Open Science, August 2016, Royal Society Publishing

    Dr Jeffrey R Stevens

  3. Evolutionary pressures on primate intertemporal choice

    Article • Proceedings of the Royal Society B Biological Sciences, May 2014, Royal Society Publishing

    Dr Jeffrey R Stevens

  4. We'll Meet Again: Revealing Distributional and Temporal Patterns of Social Contact

    Article • PLoS ONE, January 2014, PLOS

    Dr Jeffrey R Stevens

  5. The Lives of Others: Social Rationality in Animals

    Article • November 2012, Oxford University Press (OUP)

    Dr Jeffrey R Stevens

  6. The bounds of rationality and cognitive building blocks

    Article • Behavioral Ecology, September 2012, Oxford University Press (OUP)

    Dr Jeffrey R Stevens

  7. Intertemporal choice in lemurs

    Article • Behavioural Processes, February 2012, Elsevier

    Dr Jeffrey R Stevens

  8. The Good, the Bad, and the Rare: Memory for Partners in Social Interactions

    Article • PLoS ONE, April 2011, PLOS

    Dr Jeffrey R Stevens

  9. Spatial discounting of food and social rewards in guppies

    Article • January 2011, American Psychological Association (APA)

    Dr Jeffrey R Stevens

  10. Spatial Discounting of Food and Social Rewards in Guppies (Poecilia Reticulata)

    Article • Frontiers in Psychology, January 2011, Frontiers

    Dr Jeffrey R Stevens

  11. Forgetting Constrains the Emergence of Cooperative Decision Strategies

    Article • Frontiers in Psychology, January 2011, Frontiers

    Dr Jeffrey R Stevens

  12. Donor payoffs and other-regarding preferences in cotton-top tamarins (Saguinus oedipus)

    Article • Animal Cognition, February 2010, Springer Science + Business Media

    Dr Jeffrey R Stevens

  13. The Challenges of Understanding Animal Minds

    Article • Frontiers in Psychology, January 2010, Frontiers

    Dr Jeffrey R Stevens

  14. Rational Decision Making in Primates: The Bounded and the Ecological

    Article • January 2010, Oxford University Press (OUP)

    Dr Jeffrey R Stevens

  15. The adaptive nature of impulsivity.

    Article • January 2010, American Psychological Association (APA)

    Dr Jeffrey R Stevens

  16. A fruit in the hand or two in the bush? Divergent risk preferences in chimpanzees and bonobos

    Article • Proceedings of the Royal Society B Biological Sciences, June 2008, Royal Society Publishing

    Dr Jeffrey R Stevens

  17. Patience

    Article • Current Biology, January 2008, Elsevier

    Dr Jeffrey R Stevens

  18. The Evolutionary Origins of Human Patience: Temporal Preferences in Chimpanzees, Bonobos, and Human Adults

    Article • Current Biology, October 2007, Elsevier

    Dr Jeffrey R Stevens

  19. When quantity trumps number: discrimination experiments in cotton-top tamarins (Saguinus oedipus) and common marmosets (Callithrix jacchus)

    Article • Animal Cognition, March 2007, Springer Science + Business Media

    Dr Jeffrey R Stevens

  20. The Evolutionary Origins of Human Patience

    Article • January 2007, American Psychological Association (APA)

    Dr Jeffrey R Stevens

  21. The effect of handling time on temporal discounting in two New World primates

    Article • Animal Behaviour, June 2006, Elsevier

    Dr Jeffrey R Stevens

  22. Effects of temporal clumping and payoff accumulation on impulsiveness and cooperation

    Article • Behavioural Processes, January 2006, Elsevier

    Dr Jeffrey R Stevens

  23. Evolving the Psychological Mechanisms for Cooperation

    Article • Annual Review of Ecology Evolution and Systematics, December 2005, Annual Reviews

    Dr Jeffrey R Stevens, Professor Fiery Cushman

  24. Will Travel for Food: Spatial Discounting in Two New World Monkeys

    Article • Current Biology, October 2005, Elsevier

    Dr Jeffrey R Stevens

  25. The ecology and evolution of patience in two New World monkeys

    Article • Proceedings of the Royal Society B Biological Sciences, April 2005, Royal Society Publishing

    Dr Jeffrey R Stevens

  26. The effect of Handling Time on Discounting in a New World Primate

    Article • January 2005, American Psychological Association (APA)

    Dr Jeffrey R Stevens

  27. A conceptual framework for nonkin food sharing: timing and currency of benefits

    Article • Animal Behaviour, April 2004, Elsevier

    Dr Jeffrey R Stevens

  28. The selfish nature of generosity: harassment and food sharing in primates

    Article • Proceedings of the Royal Society B Biological Sciences, March 2004, Royal Society Publishing

    Dr Jeffrey R Stevens

  29. The economic basis of cooperation: tradeoffs between selfishness and generosity

    Article • Behavioral Ecology, March 2004, Oxford University Press (OUP)

    Dr Jeffrey R Stevens

  30. Why be nice? Psychological constraints on the evolution of cooperation

    Article • Trends in Cognitive Sciences, February 2004, Elsevier

    Dr Jeffrey R Stevens

  31. Discounting and Reciprocity in an Iterated Prisoner's Dilemma

    Article • Science, December 2002, American Association for the Advancement of Science

    Dr Jeffrey R Stevens

  32. Food sharing: a model of manipulation by harassment

    Article • Behavioral Ecology, May 2002, Oxford University Press (OUP)

    Dr Jeffrey R Stevens

  33. A simple spatially explicit ideal-free distribution: a model and an experiment

    Article • Behavioral Ecology and Sociobiology, January 2001, Springer Science + Business Media

    Dr Jeffrey R Stevens