title: THE EFFECTS OF SOCIAL REINFORCEMENT VS. NONREINFORCEMENT AND SEX OF E ON THE PERFORMANCE OF ADOLESCENT GIRLS.
mesh_terms: D000293:Adolescent; D044383:Black People; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D007604:Juvenile Delinquency; D012054:Reinforcement, Psychology; D012056:Reinforcement, Social; D012723:Sex
keywords: ADOLESCENCE; INTERPERSONAL RELATIONS; JUVENILE DELINQUENCY; NEGROES; REINFORCEMENT (PSYCHOLOGY); SEX