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Direct linkFrazier, Thomas W.; Youngstrom, Eric A.; Glutting, Joseph J.; Watkins, Marley W. – Journal of Learning Disabilities, 2007
This article presents results from two interrelated studies. The first study conducted a meta-analysis of the published literature since 1990 to determine the magnitude of achievement problems associated with attention-deficit/hyperactivity disorder (ADHD). Effect sizes were significantly different between participants with and without ADHD…
Descriptors: Parent Attitudes, Student Attitudes, College Students, Standardized Tests
