Applying the theory of planned behavior and media dependency theory, this study examines the effects of attitude, subjective norms, perceived behavioral control (PBC), media dependency, traditional media attention, Internet attention, and interpersonal communication on two types of pro-environmental behaviors (PEBs)-green-buying and environmental civic engagement. Regression analysis of a nationally representative survey of adult Singaporeans (N = 1168) indicated that attitude, PBC, media dependency, traditional media attention, and interpersonal communication were positively associated with green-buying. Notably, traditional media attention, as well as interpersonal communication, moderated the influence of media dependency on green-buying behavior. In addition, attitude, descriptive norms, media dependency, Internet attention, and interpersonal communication positively predicted environmental civic engagement. Findings suggest the importance of communication factors in the adoption of the two PEBs. .sg A previous version of this article won a top faculty paper (second place) award at the 2013 annual convention of the Association for Education in Journalism and Mass Communication, Washington, DC.Environmental Communication, 2014 http://dx.
This study applies the social comparison theory to examine the effects of adolescents' engagement in comparison with friends and celebrities on social network sites (SNSs) on (a) their body image dissatisfaction (BID) and (b) their drive to be thin (DT) or muscular (DM). The study also examines celebrity involvement as an antecedent of the outcome variables. Data were collected through a survey of 1,059 adolescents in Singapore. Regression analyses indicate that SNSs use was related to adolescents' BID. Specifically, social comparison with friends on SNSs was significantly associated with adolescents' BID, DT, and DM. Gender differences were also observed-social comparison with celebrities was significantly associated with BID and DT among female adolescents. Celebrity involvement was significantly associated with male BID. Theoretical and practical implications were discussed.
Extending the influence of presumed media influence model, this study examined direct and indirect media influences on pro-environmental behavioral intentions. We empirically tested perceived media influence on others as a distinct and independent mediator between perceived media exposure of others and perceived social norms, using a nationally representative sample of 1,144 Singaporeans. Using structural equation modeling, influence of presumed media influence accounted for direct and indirect media effects on attitudes, social norms, and pro-environmental behavioral intentions. Perceived media influence on others was associated with behavioral intentions. Attitudes, descriptive, and subjective norms accounted further for this relationship. Theoretical and practical implications were discussed.
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