These are for personal use only and not for commercial use or redistribution. An asterisk (*) indicates someone who was a student or post-doc in my lab at the time of the research. You can also view these publications grouped by specific lines of research.
SUBMITTED OR UNDER REVIEW
Barclay, P. (under review). Reputation and reciprocity: proximate or ultimate cause of human cooperation?
Barclay, P., Bliege Bird, R., Roberts, G., & Számadó, S. (under review). Cooperating to show that you care: costly helping as an honest signal of fitness interdependence
*Rotella, A., *Jung, J., *Chinn, C., & Barclay, P. (under review). Observation and moral ambiguity matter: a meta-analysis on moral licensing.
*Rotella, A., & Barclay, P. (submitted). Individual differences in social value orientation, observation, and the ‘watching eyes effect’: An attempted replication and extension
Manrique, H.M., Zeidler, A., Roberts, G., Raihani, N., Barclay, P., Walker, M., Samu, F., Farina, A., & Bshary, R. (under review). The psychological foundations of reputation-based cooperation.
Roberts, G., Raihani, N., Bshary, R., Manrique, H., Farina, A., Samu, F., & Barclay, P. (under review). The benefits of being seen to help others: indirect reciprocity and reputation-based partner choice.
PEER-REVIEWED JOURNAL ARTICLES
Barclay, P., & Barker, J. (2020). Greener than thou: people who protect the environment are more cooperative, compete to be environmental, and benefit from reputation. Journal of Environmental Psychology, 72, 101441. [LINK]
Barclay, P., & Benard, S. (2020). The effects of social versus asocial threats on group cooperation and manipulation of perceived threats. Evolutionary Human Sciences, 2, e54. [LINK]
Benard, S., & Barclay, P. (2020). Democratic competition for rank increases both cooperation and deception in small groups. Social Science Quarterly, 101(7), 2413-2436. [LINK]
Barclay, P. Barclay, P. (2020). Reciprocity creates a stake in one’s partner, or why you should cooperate even when anonymous. Proceedings of the Royal Society of London B, 287, 20200819. [LINK]
*Rotella, A., & Barclay, P. (2020). Failure to replicate moral licensing and moral cleansing in an online experiment. Personality and Individual Differences, 161, 109967. [LINK]
*Larney, A., *Rotella, A, & Barclay, P. (2019). Stake size effects in Ultimatum Game and Dictator Game offers: a meta-analysis. Organizational Behavior and Human Decision Processes, 151, 61-72. [LINK] [PDF]
*Pleasant, A., & Barclay, P. (2018). Why hate the good guy? Antisocial punishment of high cooperators is higher when people compete to be chosen. Psychological Science, 29(6), 868-876. [LINK]
Lightner, A.D., Barclay, P., & Hagen, E.H. (2017). Radical framing effects in the ultimatum game: the impact of explicit culturally transmitted frames on economic decision making. Royal Society Open Science, 4, 170453. [LINK] [PDF]
Montano, K. J., Tigue, C. C., Isenstein, S. G. E., Barclay, P., & Feinberg, D. (2017). Men’s voice pitch influences women’s trusting behavior. Evolution and Human Behavior, 38(3), 293-297. [LINK] [PDF]
Driscoll, R. L., Barclay, P., & Fenske, M. (2017). To be spurned no more: The affective and behavioural consequences of social and non-social rejection. Psychonomic Bulletin and Review, 24, 566-573. [LINK] [PDF]
*Mishra, S., Barclay, P., & *Sparks. (2017). The relative state model: Integrating need-based and ability-based pathways to risk-taking. Personality and Social Psychological Review, 21(2), 176-198. [LINK] [PDF]
Tybur, J. M., Inbar, Y., Aarøe, L., Barclay, P., Barlow, F.K., de Barra, M., Becker, D.V., Borovoi, L., Choi, I., Choi, J.A., Consedine, N.S., Conway, A., Conway, J.R., Conway, P., Cubela Adoric, V., Demirci, E., Fernández, A.M., Ferreira, D.C.S., Ishii, K., Jakšić, I., Ji, T., van Leeuwen, L., Lewis, D.M.G., Li, N.P., McIntyre, J.C., Mukherjee, S., Park, J., Pawlowski, B., Petersen, M.B., Pizarro, D., Prodromitis, G., Prokop, P., Rantala, M.J., Reynolds, L.M., Sandin, B., Sevi, B., de Smet, D., Srinivasan, N., Tewari, S., *Wilson, C., Young, J.C., & Žeželj, I. (2016). Parasite stress and pathogen avoidance relate to distinct dimensions of political ideology across 30 nations. Proceedings of the National Academy of Sciences of the USA, 113(44), 12408-12413. [LINK] [PDF]
*Sparks, A., Burleigh, T., & Barclay, P. (2016). We can see inside: Accurate predictions of Prisoner’s Dilemma decisions after a brief face-to-face interaction. Evolution and Human Behavior, 37, 210-216. [LINK] [PDF]
Barclay, P., & Benard, S. (2013). Who cries wolf, and when: manipulation of perceived threats to preserve rank in cooperative groups. PLOS ONE, 8(9), e73863. doi:10.1371/journal.pone.0073863. [LINK with PDF]
Barclay, P. (2013). Strategies for cooperation in biological markets, especially for humans. Evolution & Human Behavior, 34(3), 164-175. [LINK] [PDF] * This paper was one of the most cited articles in Evolution & Human Behavior from 2011-2016.
*Sparks, A., & Barclay, P. (2013). Eyes increase generosity, but not for long: the limited effect of a false cue. Evolution & Human Behavior, 34, 317-322. [LINK] [PDF] * This paper was also one of the most cited articles in Evolution & Human Behavior since 2011.
Barker, J., Barclay, P., & Reeve, H.K. (2013). Competition over personal resources favors contributions to shared resources in human groups. PLOS ONE, 8(3), e58826. [LINK with PDF]
Kiyonari, T., & Barclay, P. (2008). Cooperation in social dilemmas: free-riding may be thwarted by second-order rewards rather than punishment. Journal of Personality and Social Psychology, 95(4), 826-842. [LINK] [PDF]
BOOKS AND BOOK CHAPTERS
*Kafashan, S., *Sparks, A., *Rotella, A., & Barclay, P. (2016). Why Heroism Exists: Evolutionary Perspectives on Extreme Helping. In S.T.Allison, G.R.Goethals, & R.M.Kramer (Eds.) The Handbook of Heroism and Heroic Leadership, pp. 36-57. Routledge. [PDF]
Barclay, P. (2015). Reputation. In D. Buss (Ed.) Handbook of Evolutionary Psychology (2nd Ed.), pp. 818-828. Hoboken, NJ: J. Wiley & Sons. [PDF]
Barclay, P., & Van Vugt, M. (2015). The evolutionary psychology of human prosociality: adaptations, mistakes, and byproducts. In D. Schroeder & W. Graziano (Eds.) Oxford Handbook of Prosocial Behavior, pp. 37-60. Oxford, UK: Oxford University Press. [PDF] * Note: most of this chapter was later reused with permission in the authored book “Social Dilemmas: The Psychology of Human Cooperation” by P. Van Lange, D. Balliet, C. D. Parks, & M. Van Vugt, published in 2014 by Oxford University Press. I am first author of the corresponding chapter there.
*Kafashan, S., *Sparks, A., Griskevicius, V., & Barclay, P. (2014). Prosocial behaviour and social status. In J. T. Cheng, J. L. Tracy, & C. Anderson (Eds.) The Psychology of Social Status, pp. 139-158. New York, NY: Springer. [PDF]
Barclay, P., & Kiyonari, T. (2014). Why sanction? Functional causes of punishment and reward. In P. Van Lange, B. Rockenbach, & T. Yamagishi (Eds.) Social Dilemmas: New Perspectives on Reward and Punishment, pp. 182-196. Oxford, UK: Oxford University Press. [PDF]
Barclay, P. (2011). The evolution of charitable behaviour and the power of reputation. In C. Roberts (Ed.) Applied Evolutionary Psychology, pp. 149-172. Oxford, UK: Oxford University Press. [PDF]
Barclay, P. (2010). Reputation and the Evolution of Generous Behavior. Nova Science Publishers, Hauppauge, NY. * Note: this is essentially a very lengthy book chapter based on my PhD thesis introduction & discussion, but the publisher released it as a stand-alone book. [PDF]
COMMENTARIES, REPORTS, & OTHER NON-PEER-REVIEWED PUBLICATIONS
Barclay, P. (forthcoming). Attractiveness biases are the tip of the iceberg in biological markets. Accepted for publication in Behavioral and Brain Sciences.
Barclay, P., & Krupp, D. B. (2016). The burden of proof for a cultural group selection account. Behavioral and Brain Sciences, 39, 21-22. [PDF]
Krupp, D. B., Kim, J., Taylor, P., & Barclay, P. (2014). Cooperation and competition in large classrooms. Toronto: Higher Education Quality Council of Ontario. [PDF]
*Sparks, A., *Mishra, S., & Barclay, P. (2013). Fundamental freedoms and the psychology of threat, bargaining, and inequality. Behavioral and Brain Sciences, 36, 36-37. [PDF]
Barclay, P. (2013). Pathways to Abnormal Revenge and Forgiveness. Behavioral and Brain Sciences, 36(1), 17-18. [PDF]
Barclay, P. (2012). Proximate and ultimate causes of Strong Reciprocity and punishment. Behavioral and Brain Sciences, 35(1), 16-17. [PDF]
Krupp, D. B., & Barclay, P. (2010). Margo Wilson (1942-2009). Journal of Evolutionary Psychology, 8(1), 1-3. [PDF]
Barclay, P. (2008). Using the hatchet and burying it afterwards – A review of “Beyond revenge: The evolution of the forgiveness instinct”. Invited book review for Evolution & Human Behavior, 29(6), 450-451. [PDF]
Barclay, P. (2006). Dissertation abstract: Reputational benefits of altruism and altruistic punishment. Experimental Economics, 9(2), 181-182.
Krupp, D.B., Barclay, P., Daly, M., Kiyonari, T., Dingle, G., & Wilson, M. (2005). Let’s add some psychology (and maybe even some evolution) to the mix. Behavioral & Brain Sciences, 28(6), 828-829. [PDF]
Barclay, P., & Daly, M. (2003). Humans should be individualistic and utility-maximizing, but not necessarily “rational”. Behavioral & Brain Sciences, 26(2), 154-155. [PDF]