Factors Influencing Knowledge-Sharing Behavior in Virtual Communities: A Longitudinal Investigation

This article examines the change of the roles of trust, commitment, and self-efficacy with time. Data were collected from 150 members of a technical virtual community. The results reveal that trust and knowledge-sharing self-efficacy influence knowledge-sharing intention at two points of measurement significantly, while commitment significantly affects knowledge-sharing intention at the second point of measurement. The relationship between trust and knowledge-sharing intention decrease over time, whereas the link between commitment and knowledge-sharing intention increases with time.