PERCEIVED OPPORTUNITIES, GANG MEMBERSHIP, AND DELINQUENCY.
D000124:Achievement; D044383:Black People; D004493:Education; D006126:Group Processes; D006801:Humans; D007604:Juvenile Delinquency; D001523:Mental Disorders; D009790:Occupations
ACHIEVEMENT; EDUCATION; GROUP PROCESSES; JUVENILE DELINQUENCY; NEGROES; OCCUPATIONS