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Rodgers, Rachel F.; McLean, Siân A.; Paxton, Susan J. – Developmental Psychology, 2015
Sociocultural theory of body dissatisfaction posits that internalization of the media ideal and appearance comparison are predictors of body dissatisfaction, a key risk factor for eating disorders. However, no data exist regarding the longitudinal relationships between these variables. The aim of this study was to explore longitudinal…
Descriptors: Self Concept, Mass Media Effects, Longitudinal Studies, Grade 7
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Gniewosz, Burkhard; Watt, Helen M. G. – Developmental Psychology, 2017
This study examines whether and how student-perceived parents' and teachers' overestimation of students' own perceived mathematical ability can explain trajectories for adolescents' mathematical task values (intrinsic and utility) controlling for measured achievement, following expectancy-value and self-determination theories. Longitudinal data…
Descriptors: Adolescents, Parents, Teachers, Mathematics Skills