The developmental features of the psychologists in the correctional field have not been empirically examined by the previous studies. The present research studied the developmental process of the psychologists working for the juvenile classification homes in Japan. Analyzing the qualitative data collected from the twenty one psychologists, the result showed that, in the developmental process of the psychologists in the correctional field, the personal factors contributing to the developmental process of the psychologists such as the motivation, responsibility, or complaints interacted with the external factors surrounding them such as the work experience and the relationship with the supervisors, supervisees or family members. In addition, the developmental features discussed in this study were as follows; ①They ponder their meaning of exist or the role in the society as the psychologists in the correctional field. ②Their development is achieved by experiencing the various areas of the correctional works.
