社群網站是一個相當年輕，但卻快速成長的網路現象。為了解大學生於社群網站的資訊揭露行為，本研究以社會交換理論（Social Exchange Theory, SET）為基礎，探索大學生使用Facebook 之自我揭露行為。研究結果顯示參與社群網站大學生之資訊揭露行為模式，符合SET 的主張，同時得知大學生參與社群網站的動機、行動、報酬及成本等因素為何。最後除提出一個大學生於社群網站資訊揭露的行為模式外，並提出建議供教育人員及社群網站經營者參考，以建構健全的網路社群。

Online social networks (OSNs) are emerging as a young but rapidly growing
phenomenon on the web. This study attempts to explore the behaviors and factors of self-disclosure of online social network (OSN) users with the theoretical insights of Social Exchange Theory (SET). The results show that self-disclosure behavioral patterns of college students are in line with the idea of SET, it also addresses college students’motivation, rational action, rewards, and cost factors of joining Facebook. Finally,
a research model of information disclosure behavior pattern for college students is addressed. We also provide insights for OSN service providers and educators to cultivate a healthier online community.