The Study On Users' Knowledge Sharing Behavior In Online Q&A Communities Based On Social Capital Theory

With the development of the Internet,netizens are not satisfied with simple search engines,but prefer to communicate with other netizens through internet.The Online Q&A Communities which based on web2.0 will be able to meet users' needs.Research shows that a successful online q&a community is depend on the users to participate the community and share their knowledge.However,there are many communities that are finally eliminated because of lack positive responses from users.Therefore,it is very important to the continuous development of community to study the influencing factors to share knowledge among community users.This study discuss the following three questions based on the theory of social capital?the virtual community and the users'self-efficacy:(1)How does the three dimensions of social capital affect users' virtual community sense and user knowledge sharing behavior;(2)The effect of virtual community on user knowledge sharing behavior;(3)The regulating effect of self-efficacy to the relationship between virtual community sense and user knowledge sharing behavior.To verify the model and the assumptions in this article,We obtained 378 questionnaires through SO JUMP and paper questionnaire,and analyzed the questionnaires using spss22.0,The analysis results show that:(1)The three dimensions of social capital have significant positive influence on user knowledge sharing behavior;When it comes to the influence,the sequence decreasingly was the structure social capital,cognitive social capital and relational social capital.(2)virtual community sense has fully mediation on the relationship between structural?cognitive social capital and user knowledge sharing behavior,and has partial mediation on the relationship between relational social capital and user knowledge sharing behavior.(3)The relationship between the sense of knowledge self-efficacy and the user knowledge sharing behavior is regulated by the self-efficacy of knowledge,simultaneously,The user knowledge self-efficacy moderate the relationship between structural,relational and cognitive social capital and user knowledge sharing behavior via virtual community sense.