6. what were persisters in farringtons study
- didnt do crime
- convicted before and after 21st birthday
- started crime at 13
- convicted for crime form the age of 13
7. How many times were criminals who started at 10-13 reconvicted
- 67%
- 91%
- 97%
- 89%
8. how mnay crimes on average did 10-13 year old commit
- 11
- 8
- 9
- 10
9. how many different families took part in Farrington's study?
- 397
- 400
- 390
- 387