本研究旨在探討大學生的家庭分化、自我效能與生涯定向之間的關係，加入雙文化自我為調節變項，本研究以372位大學生為研究對象。本研究採用問卷調查法進行資料蒐集，所使用研究工具則包括家庭系統分化量表、一般自我效能感量表、生涯定向狀態量表，以及個人／社會取向自我觀量表，所得資料以描述性統計、皮爾森積差相關分析以及階層迴歸分析。研究結果發現：
一、 大學生的家庭分化可預測自我效能，兩者呈現正相關。
二、 大學生的自我效能可預測生涯定向，兩者呈現正相關。
三、 大學生的家庭分化可預測生涯定向，兩者呈現正相關。
四、 大學生的自我效能能夠作為家庭分化與生涯定向之間的完全中介變項。
五、 雙文化自我對於家庭分化與生涯定向之關係並無顯著的調節效果；但是雙文化自我之社會取向自我對於家庭分化之父子次系統與自我效能具有顯著的調節效果：當社會取向自我愈高時，父子次系統與自我效能之負向關係便愈強。
根據以上研究發現，本研究提出進一步的討論，並提供生涯輔導應用上之建議及未來之研究方向。
The purpose of the study was to investigate the relationships among family-differentiation, self-efficacy, and career decision of college students, in which bicultural self as the moderating variable. There were 372 college students participated in the study. Participants completed the questionnaire that included Differentiation in Family System Scale, General Self-Efficacy Scale, Career Decision Status Scale and Individual- and Social-oriented Self Scale. The data was analyzes by descriptive stastics, Pearson’s product-moment correlation and hierarchical regression. The main findings were as follows:
1. The college students’ family-differentiation is a significant predictor of self-efficacy, which are positively correlated.
2. The college students’ self-efficacy is a significant predictor of career decision, which are positively correlated.
3. The college students’ family-differentiation is a significant predictor of career decision, which are positively correlated.
4. The college students’ self-efficacy can be completely mediating variable between family-differentiation and career decision.
5. Social-oriented self of bicultural self significantly moderates the relationship between father/child interaction system of family-differentiation and self-efficacy such that the relationship is more strongly negative for subordinates with high Social-oriented. However, the bicultural self did not have significant moderating effect.
According to finding, implications for career counseling and further researches were provided.
