作者: Bin Gu , Prabhudev Konana , Hsuan-Wei Michelle Chen
DOI: 10.2139/SSRN.1259224
关键词:
摘要: Much has been discussed in popular press about virtual communities being melting pots of ideas and opinions. However, little is known as to how individuals actually interact what degree interactions occur between with different opinions, which are reflected respond (i.e., post) others’ messages. In this study, we analyze individual based on the cognitive dissonance theory. We argue that interaction decisions motivated by desire decrease an individual’s own opinion opinions others community. This results confirmation bias homophily phenomenon decisions, i.e., prefer similar Based theory, propose that, moderated magnitude dissonance, availability objective references, community size. Using 72,019 29 stock message boards Yahoo! Finance investment-related communities, show significant support for hypotheses. discuss implications decision making, information dissemination value source.