H HECKHAUSEN, M WASNA. Show Affiliations »
Abstract
Entities: Species
Keywords: ADOLESCENCE; CHILD; LEARNING; MENTAL RETARDATION; MOTIVATION
Mesh: See more » AchievementAdolescentChildHumansIntellectual DisabilityLearningMotivationSocial Behavior
Year: 1965 PMID: 14303732 DOI: 10.1007/bf00421246
Source DB: PubMed Journal: Psychol Forsch ISSN: 0033-3026