The multidimensional self-objectification process from adolescence to emerging adulthood.

This longitudinal study (N = 400, 54.5% female) explores the relationships between three components of self-objectification: the internalization of the media's appearance ideals, the valuing of appearance over competence, and body surveillance. The study adds to the self-objectification literature by taking a long-term, developmental approach. The relationships are examined over 6-month intervals during adolescence and a 5-year interval from adolescence to emerging adulthood. Furthermore, this study is the first to examine relationships between different components of self-objectification at the within-person level and, thus, study personal changes over time. Most notably, an increase in internalization during adolescence predicted subsequent increases in valuing appearance over competence and body surveillance five years later, when the respondents had reached emerging adulthood. No evidence for gender differences was found. Implications for the development of self-objectification from adolescence to emerging adulthood and the difference between within- and between-person effects are discussed.