The Determining of Proportion Personal and Punishment Variables in Explaining Offender's Criminal Thinking

The main objective this research was to predicting criminal thinking upon personal and punishment variables in offenders. The research method was correlation research. The population consisted of all offenders in prisons of Great Tehran. The sample group (N=326) were chosen via one stage stratified randomly sampling method from prisons of Tehran's Great Prison. The research instrument was Criminal Thinking Styles Scale (Knight et al., 2006).The results of multiple regression analysis indicated that personal (age and birthorder) and punishment (imprisonment duration) variables have significant effect on criminal thinking(p