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http://dx.doi.org/10.3745/KIPSTD.2009.16D.6.945

Analysis of Determinants and Moderator Effects of User Age and Experience for VoIP Acceptance  

Kim, Ki-Youn (연세대학교 정보대학원)
Lee, Duk-Sun (연세대학교 정보대학원)
Seol, Jeong-Seon (한국통신사업자연합회)
Lee, Bong-Gyou (연세대학교 정보대학원)
Abstract
The purpose of this study is to define determinants of VoIP user acceptance and to verify significant causality among latent variables - performance expectancy, effort expectancy, cost expectancy, social influence, facilitating conditions, behavioral intend, use behavior - based on UTAUT model. We presented the expanded hypotheses including the new factor, cost expectancy and analyzed the moderating effect of user age, gender and usage experience variables. For a accuracy of predicted results, we focused on survey analysis with 641 real user samples. Compared to previous studies, it is meaningful that this research verified the conceptual difference between behavioral intention and usage behavior. As a result, all proposed hypotheses accepted and moderating effects are supported significantly in age and use experience moderating variables.
Keywords
Voice Over Internet Protocol; UTAUT; Cost Expectancy; Structural Equation Model; User Acceptance; Moderator Effect;
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Times Cited By KSCI : 2  (Citation Analysis)
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