J HELM. Show Affiliations »
Abstract
Keywords: MENTAL DEFICIENCY/psychology; MOTIVATION/in adolescence
Mesh: See more » AdolescentGoalsHumansIntellectual Disability/psychologyMotivation
Year: 1962 PMID: 13906326
Source DB: PubMed Journal: Z Psychol Z Angew Psychol ISSN: 0044-3409