Screening of Youth at Risk for Delinquency in Oregon, 1980-1985
This is a longitudinal study of three birth cohorts of
 youngsters who were considered at risk because of anti-social behavior
 or because of officially recorded delinquency at early ages. The study
 followed a sample of 245 boys in the fourth, seventh, and tenth grades
 in 1980 (Part 1) and again in 1985 (Part …