Why do people disclose themselves on social networking sites? Evidence from Vietnamese Facebook users
by Nam Tien Duong
International Journal of Knowledge and Learning (IJKL), Vol. 18, No. 2, 2025

Abstract: Based on the theory of personal needs, this study aimed to understand how individual self-presentation and interpersonal needs formed by social networking sites (SNSs) influence self-disclosure to friends. Besides, the study would like to examine whether there are differences in personal self-disclosure due to personality traits. Specifically, the research model used two personality traits (extraversion and narcissism) as moderators. Furthermore, we conducted a questionnaire survey with 532 Facebook users. All the hypotheses are tested using SPSS and Smart PLS. The findings showed that: 1) self-presentation, expressed inclusion, wanted affection, and express affection positively influence self-disclosure; 2) wanted inclusion negatively influences self-disclosure; 3) personality traits with high and low extroversion and narcissism also have different effects on users' self-disclosure. Finally, the study provides SNS operators with information to improve user interaction quality and enrich social networking sites' content.

Online publication date: Wed, 19-Mar-2025

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