Abstract :
The present research aims to investigate personality constructs in etiology of criminal behaviors. This
descriptive study was conducted on 200 students of Tehran Medical Science University (100 female students
and 100 male students) in 2018-2019. Subjects, accessible,were selectedwith stratified sampling method
and they participated in the research voluntarily.In the research two questionnaires were used for gathering
data namely, Neo and Criminal Behaviors. The data were analyzed with Pearson correlation, simultaneous
regression and stepwise regression. The data indicated that: neuroticism personality trait (r=-0/45),
agreement (r=-0/63), agreement (r=-63) and loyalty (r=-0/69) with significant negative relationship(p=0/01)
and extraversion traits (r=0/78) and open to experience (r=0/71) with significant positive relationship
(p=0/01): the results of linear and hierarchy regression showed that generally these personality traits
explain 75% of criminal behaviors variance which extraversion 60%, loyalty 8%, neuroticism 4%, open to
experience 1% and agreement 2%. The results indicated that findings of this research can apply to create
intervening programs for the ones engaging in criminal behaviors and also preventing this behaviorfor the
ones who are exposed tosuch behaviors.
Keyword :
IJMTST