Related Experiment Videos
Summary
This longitudinal study of Philadelphia boys born in 1945 found no offense specialization in delinquency. Intervention after the third offense showed stable desistance probabilities, suggesting it
Area of Science:
- Criminology and Criminal Law
- Developmental Psychology
- Sociology
Context:
- Longitudinal analysis of a 1945 Philadelphia birth cohort (approx. 10,000 boys).
- Examines delinquency patterns from childhood through adulthood.
- Builds upon Sellin and Wolfgang's "The Measurement of Delinquency" for seriousness scoring.
Purpose:
- Analyze delinquency probabilities and offense types over time.
- Identify optimal points for social intervention in juvenile offending.
- Investigate social psychological factors and adult criminal careers of offenders.
Summary:
- A stochastic model revealed no specific offense specialization up to age 18.
- Desistance probabilities stabilized after the third offense.
- Follow-up interviews with a sample provided social-psychological data and adult career information.
Impact:
- Suggests intervention is most effective after the third offense.
- Identifies stable desistance rates, informing recidivism reduction strategies.
- Contributes to understanding chronic offending and long-term criminal trajectories.