This study examines the impact of specific Facebook activities (e.g., posting photos, comparing oneself to others) on body image (e.g., perceived attractiveness, weight concerns) and self-esteem (e.g., self-worth, confidence) among Taiwanese junior high school students to understand the potential psychological effects of these activities on adolescents. Using a cross sectional survey design, 384 Taiwanese junior high school students completed self-administered questionnaires. Data were analyzed with SPSS software to explore the relationships between Facebook usage, body image, and self-esteem. Our study reveals that gender, grade, and Body Mass Index (BMI) play a crucial role in shaping body image, with a positive correlation between body image and self-esteem. Interestingly, Facebook usage does not moderate the relationship between body image and self-esteem among these students. These findings provide valuable insights into the factors influencing adolescent self-esteem and body image, shedding light on a complex issue. Our research has important implications for targeted interventions in psychology, education, and sociology to improve adolescent mental health. By understanding social media’s influence on self-perception and self-esteem, we can develop strategies to mitigate adverse effects and promote healthier online behaviors. These applications underscore the practical relevance of our findings and their potential to inform and improve current practices. Our study breaks new ground by providing fresh insights into social media’s effects on body image and self-esteem among Taiwanese adolescents. By highlighting Facebook usage’s non-moderating role, our research contributes to a broader understanding of social media’s psychological impact and encourages further exploration of this complex and vital area.

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Yang, F.C. & Liu, M.R. (2024). The Impact of Facebook Usage on Body Image and Self-Esteem Among Taiwanese Junior High School Students. International Journal of Humanities, Arts and Social Sciences, 10(1), 27-40. doi: https://dx.doi.org/10.20469/ijhss.10.20004-1