Special Reports and Publications

"Knowledge is a process of piling up facts; wisdom lies in their simplification"

-Harold Fabing and Ray Marr

IAP’s and the MindHub™ emphasis on bridging the gap between psychological theory/research and practice is reflected in a variety of knowledge dissemination activities. These activities are in the form of free information via multiple formats and media.  All resources are available for either on-line viewing or can be downloaded to your hard drive.

Cattell-Horn-Carroll (CHC) Theory of Intelligence

• CHC periodic table of cognitive elements (v2.5; 8-18-18)
• CHC theory definitions (v2.5; 8-18-18)
• Key CHC theory articles
• Internal and external factorial extensions to the Cattell-Horn-Carroll (CHC) theory of cognitive abilities: A review of factor analytic research since Carroll's seminal 1993 treatise. (PDF)
• CHC theory timeline (7-15-09) (PDF)
• The evolution of psychometric theories of intelligence from Spearman’s g to contemporary CHC:  With special analysis and commentary on the 2010 AAIDD ID/MR intelligence theory gap (SlideShare PPT)
• CHC abilities and academic achievement research synthesis(PDF)
  • Supplemental resources (Mind Map)
• Implications of 20 years of CHC cognitive-achievement research: Back to and beyond CHC theory (PPT)
• What we've learned from 20 years of CHC cognitive-achievement research:  Back to the future and beyond CHC (PDF manuscript)
• A proposed revision to the CHC model (v2.3): Has Glr been incorrectly conceptualized since 1997? (PPT and PDF)

Testing and Assessment

• The Woodcock-Johnson--Fourth Edition (WJ IV) Battery (all WJ IV related posts at IQ's Corner blog)
• The Woodcock-Johnson--Fourth Edition (WJ IV) Battery (SlideShare PPTs via IQ's Corner blog)
• The Woodcock-Johnson--Fourth Edition (WJ IV) Battery Evolving Web of Knowledge (Mind Map)

• The Woodcock-Johnson-Third Edition (WJ III) Battery Evolving Web of Knowledge (Mind Map; 10-24-08)
• WJ III Battery test descriptions and CHC ability classificaitons (PDF)
• Woodcock-Johnson—Third Edition (WJ III) Assessessment Service Bulletins—Riverside Publishing (PDF)
• Cross-Sectional Growth Curves for the Individual Tests for the WJ III Cognitive and Achievement Batteries (PDF)
• Withinin-CHC Domain Comparisons of the WJ III Cognitive and Achievement Test Growth Curves (PDF)
• A Broad Cognitive Ability--Bilingual Scale for the WJ-R Tests of Cognitive Ability and the Bateria Woodcock- Munoz:  Preubas de habilidad cognitiva--Revised (PDF)
• Dr. Woodcock’s evolution of cognitive assessment (SlideShare PPT)
• Beyond the CHC “tipping point”—Back to the future (SlideShare PPT)
• CHC cognitive and achievement relations research synthesis
  • What we’ve learned from 20 years of research (SlideShare PPT)
  • CHC referral-focused (branching tree) selective assessment scenarios (SlideShare PPT)
• Within and cross-battery Wechsler “class reuninion” factor analysis explanation (SlideShare PPT)
• The Wechslers Anonymous 12-step program (SlideShare PPT)
• The Measurement of reading achievement by different individually administered standardized reading rests:  Apples and apples, or apples and oranges? (PDF)
• New directions in neuropsychological assessment:  Augmenting neuropsychological assessment with CHC cognitive measures (SlideShare PPT)
• The WMF Human Cognitive Abilities Project On-line SlideShare PPT presentation
• Implications of 20 years of CHC cognitive-achievement research: Back to and beyond CHC theory (PPT)
• What we've learned from 20 years of CHC cognitive-achievement research: Back to the future and beyond CHC (PDF manuscript)

Beyond IQ:  The Model of Academic Competence and Motivation

• Beyond IQ:  A model of academic competence and motivation (MACM) (Mind Map).  This is a summary of the original formative MACM model developed between 2004 and 2008.  The most up-to-date MACM model can be found in the Beyond IQ topic under Special Projects menu
• A lesson from Forrest Gump regarding expectations for students with cognitive disabilities (SlideShare PPT)
• Expectations for students with cognitive disabilities (NCEO PDF report)
• The need to believe in the ability of disability (Coauthored Creativity Blog post with S. B. Kaufman)
• The Motivation & Academic Competence (MACM Commitment Pathway to Learning Model: Crossing The Rubicon to Learning Action (MindHub Pub #1 - PDF report)
• An updated "big picture" overview (Beyond Cognitive Abilities:  An Integrative Model of Learning-related Personal Competencies and Aptitude Trait Complexes) is now available at IQs Corner
• The most up-to-date explanation of the MACM model, in the context of the Cognitive-Affective-Motivation Model of Learning (CAMML) can be found in the followinge article.

McGrew, K. S. (2022).  The Cognitive-Affective-Motivation Model of Learning (CAMML). Standing on the shoulders of giants.  Canadian Journal of School Psychology, 37(1), 117-134

Applied Psychometrics 101 (AP101) Report Series

• AP101 #1:  Understanding IQ score differences (PDF)
• AP101 #2:  What does the WAIS-IV measure?(PDF)
  • On-line SlideShare PPT presentation (PDF)
• AP101 #3:  MDS of the WJ III and CHC model implications(PDF)
  • On-line SlideShare PPT presentation
• AP101 #4:  Cluster analysis of WJ III: Theory and test interp implications(PDF)
  • On-line SlideShare PPT presentation
  • IAP101 #9: Why the ASVAB should not be used in the determination of a diagnosis of MR/ID (PDF)
  • AP101 #10: "Just say no" to averaging IQ subtest scores (PDF)
  • AP101 #11: Time to stop executing the mental retarded--The case for applying the standard error of measurement (PDF)
  • AP101 #12: CHC narrow ability assessment with the WJ III Battery (PDF)
  • AP101 #13: Problems with the 1960 & 1984 Stanford-Binet IQ scores in Atkins MR/ID death penalty cases (PDF)

Applied Psychometrics 101 (AP101) Briefs Series

• AP101 Brief #1: g or not to g (Web page)
• AP101 Brief #2: IQ test battery descriptive comparison information (Web page)
• AP101 Brief #6: Understanding score differences on the Wechsler IQ batteries: CHC evolution of the FS IQ's (Web page)
• AP101 Brief #8: Independent CFA of the WAIS-IV (Web page)
• AP 101 Brief #9. The problem with the 1/1.5 SD SS (15/22) subtest difference rule-of-thumb (web page)
• AP 101 Brief #10: Understanding IQ score differences--Examiner error (Web page)
• IAP AP101 Brief #11: What is the typical IQ and adaptive behavior correlation? (Web page)
• AP101 Brief # 13: CHC-consistent aptitude clusters: Back to the future (Weg page)
• AP101 Brief #15: Cognitive-Aptitude-Achievement Trait Complex Analysis: Implications for SLD Assessment and Dx
• AP101 Brief # 16: Beyond CHC: Within-CHC domain complexity-optimized measure

• Applied Test Development Series (SlideShare PPT)

The Applied Test Development Series is a sequence of on-line SlideShare Power Point modules describing the development of psychological tests in the domain of cognitive ability using contemporary applied psychometrics methods such as theory-driven test specification, IRT-Rasch scaling, norming, etc.  The presentations are conceptual and not statistical in nature.

• Part A: Planning, development frameworks & domain/test specification blueprints
• Part B: Test and tem development
• Part C: Use of Rasch technology
• Part D: Develop norm (standardization) plan
• Part E: Calculate norms and derived scores
• Part F: Psychometric/technical and statistical analysis: Internal
• Part G: Psychometric/technical and statistical analysis: External

Neurotechnology

• An overview of contemporary research and theory regarding the neuroscience of brain-based interval timing and its relevance to learning and rehabilitation (SlideSharePPT)
• The synchronized metronome tapping (SMT) effect:  Preliminary thoughts on “what’s happening under the hood” (SlideShare PPT)
• IAP Research Report No. 9: The efficacy of rhythm-based (mental timing) treatments with subjects with a variety of clinical disorders: A brief review of theoretical, diagnostic, and treatment research (PDF).
• The Brain Clock Evolving Web of Knowledge (EWOK) (Mind Map)

• I think..therefore IM (PPT presentation; Interactive Metronome conference keynote, Oct, 2012, San Antonio, TX)
• I think..therefore IM (Edited YouTube video of Interactive Metronome conference keynote, Oct, 2012, San Antonio, TX)
• MindHub Pub # 2:  The Science Behind Interactive Metronome:  An Integration of Brain Clock, Temporal Processing, Brain Network, and Neurocognitve Research and Theory (March, 4, 2013)

Time Travels with the Time Doc

 Trip1: Quieting the busy mind (March 21, 2012)

MindHub Pubs

MindHub Pub #1:  The Motivation & Academic Competence (MACM) Commitment Pathway to Learning Model: Crossing the Rubicon to Learning Action  (Feb 23, 2013)

MindHub Pub # 2:  The Science Behind Interactive Metronome: An Integration of Brain Clock, Temporal Processing, Brain Network, and Neurocognitive Research and Theory (March, 4, 2013)

MindHub Pub # 3:  WJ IV Norm-Based and Supplemental Clinical Test Groupings for "Intelligent" Intelligence Testing with the WJ IV. (March, 16, 2018)