NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 3 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Ellis, Bruce J.; Essex, Marilyn J. – Child Development, 2007
Life history theorists have proposed that humans have evolved to be sensitive to specific features of early childhood environments and that exposure to different environments biases children toward development of different reproductive strategies, including differential pubertal timing. The current research provides a longitudinal test of this…
Descriptors: Environmental Influences, Metabolism, Adolescent Development, Body Composition
Peer reviewed Peer reviewed
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
Peer reviewed Peer reviewed
Adolph, Karen E.; Vereijken, Beatrix; Shrout, Patrick E. – Child Development, 2003
Used kinematic measures to compare relative contributions of growing body dimensions, age, and walking experience in walking skill development in 9- to 17-month-olds, kindergartners, and college students. Found that with increased age, size, and experience, children's steps became longer, narrower, straighter, and more consistent, reflecting a…
Descriptors: Age Differences, Body Composition, Body Height, Body Weight