中文摘要：

本研究旨在探讨青少年网络自我表露对抑郁的作用机制及作用机制的性别差异。采用问卷法调查了667名初中生。结果显示,女生对同性好友的网络自我表露对抑郁存在正向的间接效应和负向的直接效应,而男生对同性好友的网络自我表露只有正向的间接效应;女生对异性好友的网络自我表露仅有负向的直接效应,男生对异性好友的网络自我表露仅有正向的间接效应。研究表明青少年网络自我表露通过社会支持对抑郁的作用机制存在性别差异。

英文摘要：

Nowadays, depression is a serious symptom in adolescents. In China about 73.2% adolescents suffer from depression. Depression could affect adolescents＇ mental health, social adaptation, and interpersonal relationship. Recently, a recta-analysis has reported that self-disclosure is a protective factor for adolescents＇ depression. This meta-analysis has also reported that, the effect of media on adolescents＇ depression is small. That means there may be a complex relationship between adolescents＇ media use and depression. Thus we should investigate the effect of specific cyber behavior on adolescents＇ depression. Previous study has found self-disclosure can decrease individuals＇ depression or buffer the effect of peer-victimization on depression. With the development of information technology, online self-disclosure is a common daily life-style of adolescents. As cyber space is a safety environment for adolescents disclosing themselves, especially for those with low self-esteem, depression, and social withdrawal. Studies have found there is positive relationship between online self-disclosure and depression. Adolescents always see online self-disclosure as a way of depression remission. Other studies have found that adolescents who disclose self-related information online want to search and gain social support. Based on the self-disclosure process model, self-disclosure as a distal factor that can enhance mental health via social support. To sum up, the present study puts forward the hypothesis that adolescents＇ online self-disclosure is positively associated with depression. Online self-disclosure can predict depression via social support indirectly as well. Self-disclosure is a target focus behavior. Studies have found different disclosure targets can affect the degree of self-disclosure. Besides, the degree of self-disclosure and online self-disclosure has gender differences. Based on these, the present study explores the gender differences of the relationship between online self-disclosure and de