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Hsu, Anna S.; Chen, Chuansheng; Greenberger, Ellen – Journal of Early Adolescence, 2019
Using data from the Early Childhood Longitudinal Study--Kindergarten cohort (ECLS-K), this study aimed to identify body mass index (BMI) trajectories from kindergarten to eighth grade using group-based trajectory modeling (GBTM), examine the relationships between BMI trajectories and adolescents' school achievement (reading and math), determine…
Descriptors: Parent Child Relationship, Academic Achievement, Body Composition, Affective Behavior
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Hall, Gordon Emmett; DiPerna, James Clyde – Journal of Early Adolescence, 2017
The present study used multiple regression analyses to examine the relationships between fifth-grade social skills and eighth-grade academic achievement. Data were drawn from the Early Childhood Longitudinal Study-Kindergarten Class of 1998-1999 (ECLS-K). Results indicated no relationship between positive or negative social behavior in fifth grade…
Descriptors: Kindergarten, Interpersonal Competence, Elementary School Students, Middle School Students