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Direct linkArns, Martijn; Conners, C. Keith; Kraemer, Helena C. – Journal of Attention Disorders, 2013
Objective: Many EEG studies have reported that ADHD is characterized by elevated Theta/Beta ratio (TBR). In this study we conducted a meta-analysis on the TBR in ADHD. Method: TBR data during Eyes Open from location Cz were analyzed from children/adolescents 6-18 years of age with and without ADHD. Results: Nine studies were identified with a…
Descriptors: Attention Deficit Hyperactivity Disorder, Brain Hemisphere Functions, Diagnostic Tests, Meta Analysis
Peer reviewedFuchs, Douglas; Fuchs, Lynn S. – Exceptional Children, 1989
Presented is a quantitative synthesis of examiner familiarity effects on Caucasian and minority students' test performance. Fourteen controlled studies were coded in terms of methodological quality and race-ethnicity. Caucasian students performed similarly in both familiar and unfamiliar examiner conditions, while Black and Hispanic children…
Descriptors: Blacks, Comparative Analysis, Elementary Secondary Education, Examiners
Field, Andy P. – Psychological Methods, 2005
One conceptualization of meta-analysis is that studies within the meta-analysis are sampled from populations with mean effect sizes that vary (random-effects models). The consequences of not applying such models and the comparison of different methods have been hotly debated. A Monte Carlo study compared the efficacy of Hedges and Vevea's…
Descriptors: Meta Analysis, Correlation, Effect Size, Models
