Introduction Abstract CHC theory of cognitive abilities http://www.iapsych.com/CHCPP/CHCPP.html chcdefs031109.pdf http://intelligencetesting.blogspot.com/2009/07/cattell-horn-cattell-chc-intelligence.html The emergence of CHC theory, test instruments, and school-related research The promise of CHC theory CHC intelligence testing in the context of "Response to Intervention" (RtI) models Prior CHC COG-ACH research syntheses summaries Results of Flanagan et al. (2006) research synthesis Limitations of the Flanagan et al. (2006) Synthesis Purpose of current CHC COG-ACH research synthesis Review methods Identification of research studies Selection and description of studies 19 studies included in review (Table 1) Coding and summarization of analysis results Results and discussion Primary CHC COG-ACH findings Basic Reading Skills Reading Comprehension Basic Math Skills Math Reasoning The "Gv mystery" and tentative/speculative CHC COG-ACH findings The "Gv Mystery" Tentative/speculative findings Limitations and suggestions for additional research Summary and implications References and footnotes refs.pdf footnotes.pdf Miscellaneous and supporting information Important related projects Conflict of interest disclosure Suggested APA reference citation and copyright disclosure Update mechanisms On-line PPT slides