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Based on the emotion-as-frames model and theories of political psychology, this study examines how the emotional frames (anger, anxiety, sexual) of news on sexual assault are associated with different news engagement behaviors in social media news pages with more conservative or liberal users. Results revealed that the approach or avoidance action tendencies of the emotional frames were associated with corresponding engagement behaviors. Anxiety was associated with less engagement, while sexual frames were associated with more engagement. The associations were stronger among news organizations with more conservative users and not significant among news organizations with more liberal users.

Our survey, in which we adopted the unified theory of acceptance and use of technology (Venkatesh, Morris, Davis, & Davis, 2003) revealed that performance expectancy, effort expectancy, facilitating conditions, and user involvement have a positive effect on the intention to use
wikis. The results exemplify the current trend of users playing an increasingly important role in web-based content creation.

In this paper we explored why people want to share knowledge in the virtual community setting. Taiwan provides an important model for the study of knowledge sharing in online social networks because of the large number of users of these in this country. Using a model modified from the
theory of reasoned action and data collected in Taiwan, we found that self-esteem, absorptive ability, and trust are the driving forces of sharing. We did not find that the expected return had an impact on knowledge sharing. Although these results may be counterintuitive, they confirm today's
open business environment, where unexpected returns usually go to those who have deep involvement.