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Uljarevic, Mirko; Arnott, Bronia; Carrington, Sarah J.; Meins, Elizabeth; Fernyhough, Charles; McConachie, Helen; Le Couteur, Ann; Leekam, Susan R. – Developmental Psychology, 2017
A community sample of 192 parents reported on their children's restricted and repetitive behaviors (RRBs) at mean ages 15 months (N = 138), 26 months (N = 191), and 77 months (N = 125) using the Repetitive Behavior Questionnaire-2 (RBQ-2). Consistent with previous factor analytic research, 2 factors were found at each age: 1 comprising repetitive…
Descriptors: Age Differences, Child Development, Toddlers, Young Children
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Hong, Guanglei; Yu, Bing – Developmental Psychology, 2008
This study examines the effects of kindergarten retention on children's social-emotional development in the early, middle, and late elementary years. Previous studies have generated mixed results partly due to some major methodological challenges, including selection bias, measurement error, and divergent perceptions of multiple respondents in…
Descriptors: Comparative Analysis, Social Development, Error of Measurement, Kindergarten