title: ACTIVITY-ANALYSIS: A TECHNIQUE IN THE STUDY OF ADOLESCENTS.
mesh_terms: D000293:Adolescent; D006801:Humans; D007604:Juvenile Delinquency; D000297:Psychology, Adolescent; D011599:Psychopathology; D011613:Psychotherapy; D012106:Research
keywords: ADOLESCENCE; ADOLESCENT PSYCHOLOGY; JUVENILE DELINQUENCY; PSYCHOPATHOLOGY; PSYCHOTHERAPY