This study was conducted to examine the extent to which interactivity in live streaming, perceived usefulness, and trust in the platform influence Generation Z's purchase intention in the context of social commerce in Indonesia. This study used a quantitative approach through a survey method with 150 purposively selected participants. The participants were aged 18 to 28, actively using social commerce platforms for at least the past six months, had participated in product live streaming sessions, and had experience or desire to shop through the platform. Prior to multiple linear regression analysis, the data were tested through a series of classical assumption tests including normality, heteroscedasticity, and multicollinearity tests. The results showed that all instruments used met the criteria for validity, reliability, and statistical assumptions. Overall, the three independent variables were proven to have a significant effect on purchase intention. Partial analysis also showed that each variable had a positive effect, meaning that the more active the interaction in live streaming, the greater the perceived benefits for users, and the higher the level of trust in the platform, the stronger Generation Z's purchase intention in the context of social commerce.
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