+custodial sentencing can lead to more opportunities for learning - for example prisons may provide sex offenders with compulsory cbt to help prevent minimisation as a coping mechanism and allow them to come to terms with their crime. similarly, violent offenders can be offered anger management. therefore, while there are negative affects associated with custodial sentencing, it can provide long term beneficial learning opportunities that can reduce recidivism through allowing offenders to cope with emotions better and understand effects of their crimes