Farrington(2006)- The Cambridge study in delinquent development
Aim: To investigate the inflence of life events and how anti- social and offending behaviour can be due to the inflence of family.
Method and participants: longitudinal study over 40 years with interviews (self-reports)
Procedure: 411 boys aged 8 and 9 in 1953/4. The boys were taken from the registers of 6 state schools in East London and were predominately white working class. Boys were interviewed and tested at school and in their own homes. Parents and school teachers were also asked about the boys. The study concluded with 93% of the study being finally intervied at the age of 48.
- Those who started criminal careers early were nearly all reconvicted and committed average 9 crimes. (early offenders) accounted for 77% of all the crime
- 7% of these early offenders were defined as chronic offenders(persistors)
- Most of the chronic offenders shared childhood characteristics (risk factors)