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Cornelius, Colleen; Fedewa, Alicia L.; Ahn, Soyeon – Journal of Applied School Psychology, 2017
Research on the effects of physical activity on children with attention deficit hyperactivity disorder is promising, yet no attempt has been made to integrate current findings using meta-analytic techniques. Using a meta-regression, the present study examined the effectives of physical activity for children with attention deficit hyperactivity…
Descriptors: Physical Activity Level, Attention Deficit Hyperactivity Disorder, Effect Size, Children
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Goodwin, Amanda P.; Ahn, Soyeon – Scientific Studies of Reading, 2013
The purpose of this study is to examine the effects of morphological instruction on language and literacy outcomes by synthesizing 92 standardized mean differences (d) from 30 independent studies. Findings show a moderate overall effect of morphological instruction ([d-bar] = 0.32), suggesting that children receiving morphological instruction…
Descriptors: Meta Analysis, Morphology (Languages), Intervention, Literacy