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  • Title: Incorporating social media and muscular ideal internalization into the tripartite influence model of body image: Towards a modern understanding of adolescent girls' body dissatisfaction.
    Author: Roberts SR, Maheux AJ, Hunt RA, Ladd BA, Choukas-Bradley S.
    Journal: Body Image; 2022 Jun; 41():239-247. PubMed ID: 35306356.
    Abstract:
    The tripartite influence model stipulates that appearance pressures from three sources (family, peers, traditional media) lead adolescent girls to internalize a thin appearance ideal and engage in social appearance comparisons, resulting in body dissatisfaction (Thompson et al., 1999). Social media is a modern source of appearance pressure and, increasingly, adolescent girls desire an appearance that is both thin and muscular. The current study of U.S. adolescent girls (n = 543, Mage = 15.58, 49.17% Latina, 28.18% White, 8.66% Black, 7.55% Asian, 6.45% multiracial/another race/ethnicity) incorporates social media appearance pressures and muscular ideal internalization into the tripartite influence model using structural equation modeling. Findings provided support for this adapted model: family, peers, traditional media, and social media contributed to body dissatisfaction. All appearance pressure sources were associated with appearance esteem via thin ideal internalization. Peer and social media pressures were both related to greater muscular ideal internalization, which was not significantly associated with appearance esteem. Social media was the only source of pressure associated with appearance esteem through both thin ideal internalization and body comparison. Findings highlight adolescent girls' pressure to look both thin and muscular, as well as the role of social media as a prominent source of appearance socialization.
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