Social evaluation by preverbal infants

J. Kiley Hamlin, Karen Wynn, Paul Bloom

Has this study been replicated?

The atlas records 2 replications of this study. Recorded outcomes: 1 mixed, 1 failed. The earliest on record is from 2020.

Infants' Social Evaluation of Helpers and Hinderers: A Large‐Scale, Multi‐Lab, Coordinated Replication Study, Lucca et al. (2024). Developmental Science. Outcome recorded: mixed. "Infants preferentially chose the Helper versus Hinderer agent, which replicates previous findings." Outcome read from the full text. View paper
Do 15-month-old infants prefer helpers? A replication of Hamlin et al . (2007), Schlingloff et al. (2020). Royal Society Open Science. Outcome recorded: failed. In contrast with the original results, only 16 out of 32 infants (50%) in our study reached for the helper; thus, we were not able to replicate the findings. Outcome read from the abstract. View paper

Hamlin, J. K., Wynn, K., & Bloom, P. (2007). Social evaluation by preverbal infants. Nature, 450(7169), 557–559. https://doi.org/10.1038/nature06288