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Extrinsic Rewards Diminish Costly Sharing in 3‐Year‐Olds
Author(s) -
Ulber Julia,
Hamann Katharina,
Tomasello Michael
Publication year - 2016
Publication title -
child development
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.103
H-Index - 257
eISSN - 1467-8624
pISSN - 0009-3920
DOI - 10.1111/cdev.12534
Subject(s) - praise , psychology , social psychology , prosocial behavior , dictator game , developmental psychology , timeout , reinforcement , mathematics , statistics
Two studies investigated the influence of external rewards and social praise in young children's fairness‐related behavior. The motivation of ninety‐six 3‐year‐olds' to equalize unfair resource allocations was measured in three scenarios (collaboration, windfall, and dictator game) following three different treatments (material reward, verbal praise, and neutral response). In all scenarios, children's willingness to engage in costly sharing was negatively influenced when they had received a reward for equal sharing during treatment than when they had received praise or no reward. The negative effect of material rewards was not due to subjects responding in kind to their partner's termination of rewards. These results provide new evidence for the intrinsic motivation of prosociality—in this case, costly sharing behavior—in preschool children.