Van de Vondervoort, J.W., Aknin, L. B., Kushnir, T., Slevinsky, J., & Hamlin, J. K. (in press). Selectivity in toddlers’ behavioral and emotional reactions to prosocial and antisocial others. Developmental Psychology.

Van de Vondervoort, J.W., & Hamlin, J. K. (in press). The early emergence of sociomoral evaluation: Infants prefer prosocial others. Current Opinion in Psychology.

Aknin, L. B.,Van de Vondervoort, J.W., & Hamlin, J. K. (in press) Positive Feelings Reward and Promote Prosocial Behavior. Current Opinion in Psychology.

Steckler, C.M., Hamlin, J.K., Miller, M., King, D., Kingstone, A. (2017). Moral judgment by the disconnected left and right cerebral hemispheres: A split-brain investigation. Royal Society Open Science, 4(7): 170172. doi: 10.1098/rsos.170172 [pdf]

Hamlin, J.K. (2017). Is psychology moving in the right direction? An analysis of the evidentiary value movement. Perspectives on Psychological Science, 12(4): 690-693. doi: 10.1177/1745691616689062 [pdf]

Van de Vondervoort, J.W. & Hamlin, J. K. (2017). Preschoolers’ social and moral judgments of third-party helpers and hinderers align with infants’ social evaluations. Journal of Experimental Child Psychology. 164, 136-151. doi: 10.1016/j.jecp.2017.07.004 [pdf]

Woo, B.M., Steckler, C.M., Le, D.T., & Hamlin, J. K. (2017). Social Evaluation of Intentional, Truly Accidental, and Negligently Accidental Helpers and Harmers by 10-months-old Infants. Cognition168, 154-163. doi: 10.1016/j.cognition.2017.06.029 [pdf]

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. dos: 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. dos: 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). Moral development in humans. In A. Zimmerman, K.Jones,    & M. Timmons (Eds.), Handbook of Moral Epistemology. New York: Routledge.

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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