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Rosenblum, Gianine D.; Lewis, Michael – Child Development, 1999
Examined body dissatisfaction, physical attractiveness, and body mass index in adolescents at 13, 15, and 18 years of age. Found that sex differences in body dissatisfaction emerged between 13 and 15 years and were maintained. Girls' body dissatisfaction increased, whereas boys' decreased. Body dissatisfaction was weakly related to others' rating…
Descriptors: Adolescent Attitudes, Adolescents, Age Differences, Body Composition
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Knowles, Ann-Marie; Niven, Ailsa G.; Fawkner, Samantha G.; Henretty, Joan M. – Journal of Adolescence, 2009
This longitudinal study investigated the influence of maturation on physical self-perceptions and the relationship with physical activity in early adolescent girls (N = 150; mean age = 12.79 plus or minus 0.31). Physical characteristics were measured and participants completed the Physical Activity Questionnaire for Children, the Children and…
Descriptors: Body Composition, Individual Characteristics, Physical Activities, Females
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Bukowski, William M.; Sippola, Lorrie K.; Newcomb, Andrew F. – Developmental Psychology, 2000
Examined differences in attraction to same- and other-sex peers as a function of sex, age, individual characteristics, and context in adolescents studied longitudinally from elementary to middle school. Found attraction to aggressive peers and to peers standing out in observable ways increased with age and upon entry to middle school, whereas…
Descriptors: Adolescent Attitudes, Adolescent Behavior, Age Differences, Aggression