Background/Objective The social information processing model holds that aggressive behavior is closely related to the hostile interpretation of ambiguous social cues, suggesting the possibility that an intervention that reduces hostile interpretations could reduce aggression. This study in Mainland China evaluated the remediating effects of cognitive bias modification for interpretation (CBM-I) on the hostile interpretation bias and self-reported aggressive behaviors of male juvenile delinquents, taking into account initial hostile interpretation bias as a possible moderator of the intervention effect. Method Fifty-six male juvenile delinquents aged 16-18 were recruited and randomly assigned to the CBM-I group ( n = 28) or the Waiting-List group ( n = 28). Interpretation bias and self-reported aggressive behavior were assessed at pre-test and post-test. Results The positive interpretations of participants in the CBM-I group were significantly increased compared with participants in the Waiting-List group. The intervention effect of CBM-I on self-reported physical aggression was significant only for juvenile delinquents with high pre-test hostile interpretation bias. Conclusions CBM-I can significantly improve the positive interpretation bias of juvenile delinquents, and reduce the self-reported physical aggression for some male juvenile delinquents. The results have implications for providing low-cost and high-efficiency intervention for juvenile delinquents’ self-reported aggression behavior.

Background As a prominent issue worldwide, juveniles’ aggressive and violent crimes have attracted much interest in recent years. Based on the social information processing model, the present study aimed to evaluate the Chinese male juvenile delinquents’ attention bias towards hostile stimuli from both static and dynamic perspectives. Additionally, the predictive effect of attention bias on aggressive behavior and the moderating effect of group (juvenile delinquents and the controls with no criminal history) were also investigated. Methods The hostile attention bias and aggressive behavior of 76 juvenile delinquents (Mage = 17.5 years, SD = 0.59 years) and 67 controls (Mage = 18.3 years, SD = 0.73 years) were measured with the emotional dot-probe task, emotional Stroop task, and the Chinese version of the Buss & Perry aggression questionnaire, respectively. Results The results showed that compared with controls, juvenile delinquents showed more attention biases towards hostile faces and words, and demonstrated higher levels of physical aggression and anger. Furthermore, the type of participants moderated the relationship between hostile attention bias and aggressive behavior. For juvenile delinquents, attention bias away from hostile stimuli and attention variability negatively predicted anger, while for controls, attention variability positively predicted self-directed aggression. Conclusion Attentional variability and avoidance of hostile stimuli are expected to reduce the aggressive level of Chinese male juvenile delinquents. The relationship between attention bias and aggression should be further considered and applied in the clinical practice.

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