Investigating cognitive mechanisms of offending among adult and juvenile male prisoners: suggestions for intervention

Öncül, Öznur
The present study generally aimed to explain the cognitive mechanisms of offending within the framework of transtheoretical model, by providing differences according to the motivational stages. In doing so, the purpose was to develop suggestions for further interventions. Accordingly, four subsequent studies were conducted. After the adaptation of the questionnaires to Turkish, the second study aimed at determining the factors associated with offence-supportive assumptions, defensive strategies, pros and cons of offending, and stages of change. In the third study, the psychometric properties of the adapted instruments were investigated in the juvenile sample. In the final study, comparisons were employed between adolescent, young adult and adult participants. The findings generally revealed good psychometric properties for the instruments in the adult sample. However, in the juvenile sample, certain flaws were observed for the criminal thinking scale. Regarding the hypothesis testing, the findings generally supported the distinction between offence-supportive assumptions and defensive strategies. In addition, decisional balance was observed to be varying according to the motivational stages. Regarding stages of change, contemplation and action stages were observed to share much in common. However, considerable amount of differences were obtained between these two stages and the initial precontemplation stage. Taking into account the specific characteristics obtained for each stage, a treatment plan is figured out at the end of the study. Finally, it is observed that, concerns that are specific to adolescence had a strong impact on how the variables were displayed.


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Citation Formats
Ö. Öncül, “Investigating cognitive mechanisms of offending among adult and juvenile male prisoners: suggestions for intervention,” Ph.D. - Doctoral Program, Middle East Technical University, 2014.