[SUCCESS AND FAILURE IN PERFORMANCE COMPETITION OF IMBECILE CHILDREN].
D000124:Achievement; D000293:Adolescent; D002648:Child; D006801:Humans; D008607:Intellectual Disability; D007858:Learning; D009042:Motivation; D012919:Social Behavior
ADOLESCENCE; CHILD; LEARNING; MENTAL RETARDATION; MOTIVATION
ERFOLG UND MISSERFOLG IM LEISTUNGSWETTEIFER DES IMBEZILLEN KINDES.