The document discusses how self-discrepancy theory can help explain how exposure to thin ideals in media can influence adolescents' body image and self-esteem, as accumulated body dissatisfaction from media exposure can distort body perception and lead to low self-esteem, though more research is needed to fully understand these psychological relationships. The proposed study aims to examine how self-discrepancy between actual and ideal body images mediated by media influences adolescents' self-esteem.