The adversity quotient has an essential role in the life of the individual. By having a high adversity quotient, individuals can overcome the difficulties encountered. Young prisoners are individuals who need special attention to increase the adversity quotient to avoid becoming recidivists. This study aims to test the effectiveness of cognitive behavior therapy in improving the adversity quotient of young prisoners. This study used a pre-experimental design with a pretest and posttest design. The population in this study were young prisoners taken using purposive sampling techniques. This research instrument is an adversity quotient scale with a high-reliability level. The results showed that cognitive behavioral therapy could improve the adversity quotient of young prisoners. Therefore, based on the findings of this study, counselors in juvenile detention can apply cognitive behavior therapy to increase the adversity quotient of young prisoners and as a basis for efforts to develop adolescent development task

Cognitive Behavior Therapy, Adversity Quotient, Young Prisoner.