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Langberg, Joshua M.; Molitor, Stephen J.; Oddo, Lauren E.; Eadeh, Hana-May; Dvorsky, Melissa R.; Becker, Stephen P. – Grantee Submission, 2017
Objective: The primary objective of this study was to evaluate the prevalence of multiple types of sleep problems in young adolescents with ADHD. Method: 262 adolescents comprehensively diagnosed with ADHD and their caregivers completed well-validated measures of sleep problems and daytime sleepiness. Participants also completed measures related…
Descriptors: Sleep, Early Adolescents, Attention Deficit Hyperactivity Disorder, Drug Therapy
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Im, Seongah; Park, Hye Jin – Educational Research and Evaluation, 2010
The purposes of the present study were (a) to compare US and Korean 8th graders' mastery of knowledge and skills in the mathematics test of the Trends in International Mathematics and Science Study (TIMSS) 2003 using a cognitive diagnostic testing method and (b) to find links between teachers' instruction and students' mastery of mathematics…
Descriptors: Educational Strategies, Academic Achievement, Mathematics Tests, Diagnostic Tests