Probing the Strength of Infants' Preference for Helpers over Hinderers: Two Replication Attempts of Hamlin and Wynn (2011).Published in:PLoS ONE, 2015, v. 10, n. 10, p. 1, doi. 10.1371/journal.pone.0140570By:Salvadori, Eliala;Blazsekova, Tatiana;Volein, Agnes;Karap, Zsuzsanna;Tatone, Denis;Mascaro, Olivier;Csibra, GergelyPublication type:Article