本研究主要依據社會學習理論與差異化接觸理論之觀點,探討接觸偏差同儕、偏差行為自我效能對國小高年級學生偏差行為的影響。本研究之資料係由問卷方式取得,有效分析樣本為1,121名嘉義市國小高年級學生。數據資料分析則以迴歸分析方法進行處理。本研究發現:(1)接觸偏差同儕與偏差行為具關聯性;(2)偏差行為自我效能與偏差行為具關聯性;(3)偏差行為自我效能在接觸偏差同儕對青少年偏差行為的影響具有中介效應。最後依據研究的分析結果,對未來國小高年級學生偏差行為之研究與輔導提出相關建議。 Based on the viewpoints of social learning theory and differential association theory, this study was conducted to investigate how deviant peer associations and delinquent self-efficacy would influence deviant behavior on senior elementary students. Self-report questionnaire was used to collect data. The sample consisted of 1,121 students from 12 elementary schools in Chiayi City. The regression analysis was used to analyze the data. The results showed that: (1) deviant peer associations had significant impacts on deviant behavior; (2) delinquent self-efficacy was related to deviant behavior; (3) there were mediating effect of delinquent self-efficacy on the relationship between deviant peer associations and juvenile delinquency. Several suggestions for guidance and further studies were also provided.