NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
PDF on ERIC Download full text
Hong, Guanglei – Society for Research on Educational Effectiveness, 2013
When using time series accountability data to evaluate system-wide education policies, concurrent changes often pose threats to internal validity. The standard difference-in-differences (DID) method resorts to a non-equivalent comparison group whose average outcome change is due to such confounding. This strategy relies on the strong assumption…
Descriptors: Accountability, Scores, Comparative Analysis, Algebra
Peer reviewed Peer reviewed
Direct linkDirect link
Arns, 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