目的：本硏究之目的在瞭解台灣本土性侵害加害人，在施以再犯預防模式之團體心理治療 之前後，其改變爲何。同時瞭解哪一族群之台灣性侵害加害人在施以團體心理治療之反應較佳。 方法：本硏究針對監獄或社區中接受身心治療之性罪犯，實施爲期二十次以預防再犯計畫 爲主的團體心理治療計畫，計得有效樣本80人。將團體過程中所收集之問卷資料以成對樣本T 檢定、一般線性回歸進行分析。 結果：本硏究結果爲1.在認知扭曲中的強暴迷思、合理化中的行爲合理化和否認及情緒量 表中的衝動控制，在團體介入後，有顯著之改變。2.不同危險程度之性加害者在團體介入後，以 中危險組最有幫助。 結論：針對高中低危險性加害者應有不同的治療策略，可以考慮將大部份治療人力投入較 具明顯變化的中危險組。治療僅產生部分改變，所以建議治療時間必須延長。

Object: The purpose of this research was to find the changes of the Taiwanese sexual offenders after series of group psychotherapy. Otherwise, this study would find which population would get more response. Method: This research applied the group psychotherapy with 20 sessions based on relapse prevention to 80 sexual offenders in the jail or in the community. All of the data collected by questionnaires during the course of the group psychotherapy are analyzed by paired-T test and linear regression. Result: Some prominent changes including rape myth, behavioral rationalization, denial and impulse control were statistically meaningful after the intervention of the group psychotherapy. Conclusion: We should pay more effort on the middle risk group. It needed more sessions to increase the outcome of the group.