| Literature DB >> 14163563 |
Abstract
Keywords: ADOLESCENCE; CHILD; DISCRIMINATION LEARNING; MENTAL RETARDATION; MOTIVATION; REWARD
Mesh:
Year: 1964 PMID: 14163563 DOI: 10.1111/j.1467-8624.1964.tb05197.x
Source DB: PubMed Journal: Child Dev ISSN: 0009-3920