過去組織行為的研究，多著重於職場上個人的不道德選擇，卻鮮少有研究從自我概念的觀點來探討道德相關的議題，特別是道德潔淨與道德許可兩機制。以往已有研究顯示，道德潔淨的機制可以用來解釋較好的結果，而道德許可的機制則可以用來解釋較不好的結果。因此，本研究試圖使用兩機制去說明道德自我概念與利社會行為之關係。最後，本研究亦探討情境因素（社會衝擊）與人格特質因素（道德推理），對於道德自我概念與利社會行為是否有調節的效果。
實驗一共計58位大學生參與此實驗。研究結果顯示，道德自我概念不會影響利社會行為。實驗二共計124位大學生參與此實驗。研究結果顯示，道德推理可以調節道德自我概念與利社會行為之關係，在道德推理低的情況下，高道德自我概念的利社會行為會少於低道德自我概念的利社會行為。但是，社會衝擊未能調節道德自我概念與利社會行為之關係。研究結果之意涵、研究限制、未來研究方向及實務運用，也在最後提出討論。

Most organization behavior literature on moral issues focuses on individual unethical choices in the workplace, but few studies explored the moral issue from the aspect of self-concept, especially from moral cleansing and moral licensing mechanisms. Several studies showed moral cleansing mechanism can be used to explain the positive results, while moral licensing mechanism can be used to explain the negative results. Therefore, Our study intended to use these two mechanisms to explain the relationship between moral self-concept and prosocial behavior. In addition, we also proposed that social impact and moral reasoning serve as moderate variables on the moral self-concept prosocial behavior relationship.
In Study 1, fifty eight university students participated in the experiment. The results showed that moral self-concept does not affect prosocial behavior. In Study 2, one hundred and twenty four university students participated in the experiment. The results showed that moral reasoning is found to moderate the relationship between moral self-concept and prosocial behavior. When individuals have high moral reasoning, moral self-concept is not associated with the display of prosocial behavior. When individuals have low moral reasoning, moral self-concept is associated with the display of prosocial such that high moral self-concept (low guilty) lead to less prosocial behavior compared to low moral self-concept (high guilty). However, social impact dose not moderate the relationship between moral self-concept and prosocial behavior.
The implications of the findings, limitations, future research directions, and managerial implications are discussed at the end of this paper.

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