Competence Perceptions and Affective Responses Limit Social Sharing of Images Featuring People with Larger Body Sizes.

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People with larger body sizes often face underrepresentation in popular media. However, the rise of social media has led to increased visibility for this demographic group. Our research, encompassing five studies, investigated how audiences react to social media images featuring individuals with larger body sizes, focusing on affective responses and social transmission dynamics. We identified a gender-specific gap in sharing behavior such that male viewers show lower sharing intentions for such images (Study 1), mediated by stereotypic perceptions of low competence in larger-sized people and decreased positive affect (Study 2). This pattern holds for images with both female and male models (Study 3) and extends to contexts where body size is not a central factor (Study 4). To address this, we developed social norm-based interventions that effectively increase sharing intentions evoked by images of people with larger bodies, mediated by social perceptions and affective responses (Study 5). Overall, our findings shed light on the psychological factors that influence the spread of body-related imagery on social media, demonstrating how stereotypes can shape affective responses and subsequent actions like social media sharing. Beyond theoretical insights, our research offers practical strategies for amplifying societal focus on underrepresented groups and promoting more diverse and inclusive representations of body image in digital spaces.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s42761-024-00255-z.