What does Sykes believe causes stress and depression in prisoners?
Sykes believes it is due to the five deprivations prisoners experience: personal autonomy, liberty, heterosexual relationships, goods and services, and safety.
How does institutionalisation relate to recidivism according to Hollin's findings?
Hollin's findings suggest that institutionalisation leads to recidivism as prisoners prefer the structured environment of prison over the challenges of life outside.