The effects of age, positive affect induction, and instructions on children's delay of gratification
Journal of experimental child psychology, 1981-01, Vol.32 (1), p.169-180
[Peer Reviewed Journal]
1981 ;ISSN: 0022-0965 ;EISSN: 1096-0457 ;DOI: 10.1016/0022-0965(81)90101-6
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