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Adalbjornsson, Carola F.; Fischman, Mark G.; Rudisill, Mary E. – Research Quarterly for Exercise and Sport, 2008
The end-state comfort effect has been observed in recent studies of grip selection in adults. The present study investigated whether young children also exhibit sensitivity to end-state comfort. The task was to pick up an overturned cup from a table, turn the cup right side up, and pour water into it. Two age groups (N = 20 per group) were…
Descriptors: Preschool Children, Kindergarten, Age Differences, Comparative Analysis
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Deater-Deckard, Kirby; Petrill, Stephen A.; Thompson, Lee A.; DeThorne, Laura S. – Developmental Science, 2005
Task persistence, measured by a composite score of independent teacher, tester and observer reports, was examined using behavioral genetic analysis. Participants included 92 monozygotic and 137 same-sex dizygotic twin pairs in Kindergarten or 1st grade (4.3 to 7.9 years old). Task persistence was widely distributed, higher among older children,…
Descriptors: Twins, Persistence, Standardized Tests, Genetics