Assessments conducted at earlier phases are
specified in previous articles.7, 8 At the 15 - year follow - up assessment, adolescents completed interviews that measured whether they had been adjudicated a person in need of supervision (PINS) resulting from incorrigible behavior such as recurrent truancy or destroying parents» property; their frequency of running away from home; and the number of
times they had been stopped by the police, arrested, convicted of a crime or of probation violations, and sent to youth correctional facilities.14 They also
reported on their disruptive behavior in school; number of school suspensions; delinquent and aggressive behavior outside school; experience of sexual intercourse; rates of pregnancy; lifetime number of sexual partners; and frequency of using cigarettes, alcohol, and illegal drugs
during the 6 - month
period prior to the 15 - year interview.15
In addition, all boys completed the Elliott Behavior Checklist, a self -
report questionnaire about criminal or delinquent behaviors
during a
specified time period.