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This paper extends theories of public goods to interactive communication systems. Two key public communication goods are identified. Connectivity provides point-to-point communication, and communality links members through commonly held information, such as that often found in databases. These extensions are important, we argue, because communication public(More)
This a r t ic le presents a publ ic goods-based theory tha t descr ibes the process of producing mult i f i rm, al l iance-based, interorganizat ional communicat ion and informat ion publ ic goods . These goods offer par t ic ipants in a l l iances col lec t ive benef i t s tha t are (a) rlorrescllrdable, in that they are available to all alliance partners(More)
This study examined age differences in perceptions of online communities held by people who were not yet participating in these relatively new social spaces. Using the Technology Acceptance Model (TAM), we investigated the factors that affect future intention to participate in online communities. Our results supported the proposition that perceived(More)
This article conceptualizes how the affordances of enterprise social networking systems can help reduce three challenges in sharing organizational knowledge. These challenges include location of expertise, motivation to share knowledge, and social capitalization in the form of developing and maintaining social ties with knowledge providers to actualize(More)
This research elaborated and empirically tested the individual action component of the collective action model as applied to individual contributions to organizational information commons. The model extended prior theory and research by making six elaborations on the classic collective action model based on unique characteristics of information goods(More)
In organizational settings, a communication dilemma exists whenever the interests of a collective (i.e., team, organization, interorganizational alliance) demand that people share privately held information, but their individual interests instead motivate them to withhold it. This article develops and tests an expectancy model that predicts specific(More)
This study investigates how cancer survivors construct their identities and the impact on their psychological health, as measured by depression and survivor self-efficacy. Fourteen young adult survivors of pediatric cancer participated in a customized social networking and video blog intervention program, the LIFECommunity, over a 6-month period. Survivors(More)
Annenberg School for Communication & Journalism 301D, University of Southern California, Los Angeles, CA 90089-0281, USA Annenberg School for Communication & Journalism G6, University of Southern California, Los Angeles, CA 90089-0281, USA Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA Center for Cancer and Blood(More)
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Online community participation has not been well understood from the perspective of technology adoption and use. Using a national sample of 537 online community participants in the United States and structural equation modeling, this study demonstrates that the technology acceptance model (TAM) can provide a useful foundation for theoretical explanation. By(More)