This study examines the effect of TikTok content on university students moods, given the platform's widespread use and its potential to shape emotional states through exposure to positive and negative content. An experimental pretest-posttest design was used, involving 40 active university students aged 18–23 randomly assigned to three groups: positive content, negative content, and control. Mood was measured using the Positive and Negative Affect Schedule (PANAS) before and after participants watched TikTok videos for 10–15 minutes. Data were analyzed using paired sample t-tests and One-Way ANOVA. Results showed significant differences in positive and negative affect across groups after treatment, with the negative-content group recording the highest scores on both affect dimensions. These findings suggest that TikTok content exposure influences students moods, though individual internal factors in responding to stimuli may also contribute to the observed changes.
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