Pun, A., Ferera, M., Diesendruck, G., Hamlin, J.K., & Baron, A. S. (2017). Foundations of Infants’ Social Group Evaluations. Developmental Science. DOI: 10.1111/desc.12586 [pdf]

Steckler, C.M., Woo, B.M., & Hamlin, J.K. (2017). The limits of early social evaluation: 9-month-olds fail to generate social evaluations of individuals who behave inconsistently. Cognition. DOI: 10.1016/j.cognition.2017.03.018 [pdf]

Eason, A., Hamlin, J.K., Sommerville, J. (2017). A Survey of Common Practices in Infancy Research: Description of Policies, Consistency Across and Within Labs, and Suggestions for Improvements. Infancy. DOI: 10.1111/infa.12183 [pdf]

Frank, M. C., Bergelson, E., Bergmann, C., Cristia, A., Floccia, C., Gervain, J., Hamlin, J.K., Hannon, E. E., Kline, M., Levelt, C., Lew-Williams, C., Nazzi, T., Panneton, R., Rabagliati, H., Soderstrom, M., Sullivan, J., Waxman, S., Yurovsky, D. (2017). A collaborative approach to infant research: Promoting reproducibility, best practices, and theory-building. Infancy. DOI: 10.1111/infa.12182. *The Centre for Infant Cognition piloted babies for this pre-registered project.[pdf]

Zhao, W., Baron, A.S., & Hamlin, J.K. (2016). Using Behavioral Consensus To Learn About Social Conventions In Early Childhood. Frontiers in Psychology. doi: 10.3389/fpsyg.2016.01510 [pdf]

Van de Vondervoort, J.W., & Hamlin, J.K. (2016). Evidence for intuitive morality: preverbal infants make sociomoral evaluations. Child Development Perspectives. doi: 10.1111/cdep.12175 [pdf]

Aknin, L.A., Broesch, T., Hamlin, J. K., & Van de Vondervoort, J. W. (2015). Prosocial Behavior Leads to Happiness in a Small-Scale Rural Society. Journal of Experimental Psychology: General, 144(4), 788-95. doi: 10.1037/xge0000082 [pdf]

Hamlin, J.K. (2015). The case for social evaluation in preverbal infants: Gazing toward one’s goal drives infants’ preferences for Helpers over Hinderers in the hill paradigm. Frontiers in Psychology, 5, 1563. doi: 10.3389/fpsyg.2014.01563 [pdf]

Aknin, L.B., Fleerackers, A. L., & Hamlin, J. K. (2014). Can third-party observers detect the emotional rewards of generous spending? Journal of Positive Psychology, 9(3): 198 – 203. doi: 10.1080/17439760.2014.888578. [pdf]

Earp, B. D., Everett, J.A.C., Madva, E. N., & Hamlin, J.K. (2014). Out, damned spot: Can the “MacBeth Effect” be replicated? Basic and Applied Social Psychology, 36:91-98. doi: 10.1080/01973533.2013.856792 [pdf]

Hamlin, J.K. (2014). Context-dependent social evaluation in 4.5-month-old human infants: The role of domain-general versus domain-specific processes in the development of social evaluation. Frontiers in Psychology, 5: 614. doi: 10.3389/fpsyg.2014.00614 [pdf]

Hamlin, J.K., & Baron, A.S. (2014). Agency attribution in infancy: Evidence for a negativity bias. PLoS ONE, 9(5): e96112. doi: 10.1371/journal.pone.0096112 [pdf]

Hamlin, J.K. (2013a). Moral judgment and action in preverbal infants and toddlers: Evidence for an innate moral core. Current Directions in Psychological Science, 22(3): 186 – 193. doi: 10.1177/0963721412470687 [pdf]

Hamlin, J.K. (2013b). Failed attempts to help and harm: Intention versus outcome in preverbal infants’ social evaluations. Cognition, 128(3): 451 – 474. doi: 10.1016/j.cognition.2013.04.004 [pdf]

Hamlin, J.K., Mahajan, N., Liberman, Z. & Wynn, K. (2013). Not like me = bad: Infants prefer those who harm dissimilar others. Psychological Science, 24(4): 589 – 594. doi:10.1177/09056797612457785 [pdf]

Hamlin, J.K., Ullman, T., Tenenbaum, J., Goodman, N., & Baker, C. (2013). The mentalistic basis of core social cognition: experiments in preverbal infants and a computational model. Developmental Science, 16(2): 209 – 226. doi: 10.1111/desc.12017 [pdf]

Aknin, L.B., Hamlin, J.K., & Dunn, E. W. (2012). Giving leads to happiness in young children. PLoS ONE, 7(6): e39211. doi: 10.1371/journal.pone.0039211. [pdf]

Hamlin, J.K., & Wynn, K. (2012). Who knows what’s good to eat? Infants fail to match the food preferences of antisocial others. Cognitive Development, 27(3): 227 – 239. doi: 10.1016/j.cogdev.2012.05.005. [pdf]

Hamlin, J.K., Wynn, K., Bloom, P., & Mahajan, N. (2011). How infants and toddlers react to antisocial others. Proceedings of the National Academy of Sciences of the United States of America (PNAS), 108(5): 19931 – 19936. doi: 10.1073/pnas.1110306108 [pdf]

Hamlin, J.K. & Wynn, K. (2011). Young infants prefer prosocial to antisocial others. Cognitive Development, 26(1): 30 – 39. doi: 10.1016/j.cogdev.2010.09.001 [pdf]

Hamlin, J.K., Wynn, K., Bloom, P. (2010). 3-month-olds show a negativity bias in social evaluation. Developmental Science, 13(6): 923 – 939. doi: 10.1111/j.1467-7687.2010.00951.x [pdf]

Hamlin, J.K., Newman, G. E., & Wynn, K. (2009). 8-month-old infants infer unfulfilled goals, despite ambiguous physical evidence. Infancy. 14(5): 579 – 590. doi:10.1080/15250000903144215 [pdf]

Hamlin, J.K., Hallinan, E.V., & Woodward, A.L. (2008). Do as I do: 7-month old infants selectively reproduce others’ goals. Developmental Science. 11(4): 487 – 494. doi: 10.1111/j.1467-7687.2008.00694.x [pdf]

Hamlin, J.K., Wynn, K., & Bloom, P. (2007). Social evaluation by preverbal infants. Nature, 450: 557 – 559. doi:10.1038/nature06288 [pdf]



Van de Vondervoort, J.W., & Hamlin, J.K. (in press). The infantile roots of sociomoral evaluations. In K. Gray & J. Graham (Eds.), The atlas of moral psychology. New York: Guilford Press. Submission 26 pages.

Steckler, C.M., & Hamlin, J.K. (2016). ‘Theories of moral development’. In H. Miller (Ed.) Encyclopedia of theory in psychology. Sage Reference. Submission 9 pages.

Hamlin, J.K., & Steckler, C.M. (2015). The moral infant: On the roots of moral reasoning and behavior in the first two years, in Emerging Trends in the Social and Behavioral Sciences. R. Scott & S. Kosslyn (Eds.), Hoboken, NJ: John Wiley and Sons. Submission 9 pages.

Hamlin, J.K. (2015). The infantile origins of our moral brains. In J. Decety & T. Wheatley (Eds.), The moral brain: A multidisciplinary perspective. Pp 105-122. Cambridge, MA: MIT Press.

Hamlin, J.K. (2015). ‘Does the infant possess a moral concept?’. In E. Margolis & S. Laurence (Eds.), The Conceptual Mind: New Directions in the Study of Concepts. Pp 477-518. Cambridge, MA: MIT Press.

Hamlin, J.K. (2013). The origins of human morality: Complex sociomoral evaluations by preverbal infants. In J. Decety, & Y. Christen (Eds.), Research and Perspectives in Neurosciences. Pp 165-188. Switzerland: Springer International Publishing.

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