| Summary: | 碩士 === 亞洲大學 === 心理學系 === 106 === Purpose
Empirical studies showed online social support was related to Facebook addiction. However, the underlying psychological process remained unknown. Previous studies indicated that positive outcome expectancy had a positive impact on Internet addiction, and depressed mood exacerbated the relationship between outcome expectancy and addictive behavior. Thus, the present study examined whether online social support impacted on Facebook addictive use mediated through Facebook use positive outcome expectancy. However, depression moderated this mediating effect.
Method
This study was conducted with a two-wave panel data, and 1260 junior high school students were sampled. The Online Social Support Scale, Facebook Use Positive Outcome Expectancy Scale, SCL-90-R Depression Subscale, Facebook Addiction Scale were administrated. Data analysis was performed by SPSS version 20.0 and PROCESS macro.
Results
The results showed that after controlling gender and levels of T1 Facebook addiction (Time 1, T1), the relationship between T1 online social support and T2 Facebook addiction (Time 2, T2) was fully mediated through T1 Facebook use positive outcome expectancy. In other words, T1 online social support was positively related to Facebook use positive outcome expectancy, which consequently led to increases in the levels of Facebook addiction. The moderated mediation analysis indicated that such indirect effect was conditioned by T1 depressive symptoms. This indirect effect was stronger for adolescents that are more depressed.
Conclusion
The present study findings highlighted that Facebook use positive outcome expectancy acted as a mediator in the relationship between online social support and Facebook addiction, and this mechanism was moderated by the levels of depressive symptoms.
Keywords: online social support, Facebook use positive outcome expectancy, depressed mood, Facebook addiction, junior high school students
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