- Document start, duration and end of offending behaviour from childhood to adulthood in families.
- Investigate the influences of life events, risk and protective factors predicting offending and anti-social behaviour and influence of family background.
411 White working class London boys ages 8 and 9.
- Data collection and criminal record checks.
- At age 48, 93% were interviewed. (365/394)
- 161 had criminal convictions.
- Offenders peaked at ages 17 and 18.
- Offenders who began at ages 10-13 were nearly all reconvited at least once, 91%.
- Offenders who began at ages 14-16 had on average committed 6 crimes.
- These two groups are responsible for 77% of crimes record in the study.
A problem with criminal record checks is..
Participants may have committed crimes and not been caught, or charged or convicted.
7% of participants were called..
- Chronic offenders, being responsible for aroud half of all recorded crimes.
- Their criminal careers lasted from 14-35 years old.
- Farrington described them as persisters, being convicted before and after their 21st birthday.
Chronic offenders shared these childhood characteristics:
- A convicted parent
- High daring
- A delinquent sibling
- A young mother
- Low popularity
- Disrupted family
- Large family size
Offenders tend to be deviant in many aspects of their lives.
Early prevention that reduces offending could also reduce problems with:
- Substance abuse/Drugs
- Agressive behaviour
Important risk factors include:
- Criminality in the family
- Poor child-rearing
- Poor school preformance