Irwin and Cressey (1962) theorise that inmates bring what into prison?
A subculture typical of criminal behaviour of beliefs, values, norms, attitudes, learning experiences as well as other personal characteristics such as gender, class and race
According to the deprivation model, aggression is also influenced by the nature of the regime. How?
If it is unpredictable and regularly uses "lock-ups" to control behaviour, this creates frustration, reduces stimulation, reduces access to goods and leads to aggression and violence
Set up two units in HMP Woodhill where the overcrowding was reduced, music was introduced to reduce noisy conditions and the temperature was carefully controlled
what is an alternative explanation for Delisis research
the equality in violence could be due to the isolation gang members have as they usually aren't allowed in gen pop, so they have less opportunities for violence