Dr. Kevin “IQ” McGrew
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew
@iqmcgrew.bsky.social
370 followers 860 following 140 posts
Educational psych interested in cognition, intelligence, applied test development, psychometrics, school learning, school psychology. COI—I am coauthor of WJ IV and forthcoming WJ V (2025). A politics and golf junkie. @iqmobile at X. Www.theMindHub.com
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Dec 8
On #intellignece #IQ #schoolpsychology #cognition
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · 8d
www.iqscorner.com/2025/10/lets... #java #caffeine #coffee #whitematter #brainfitness #brain #neurocognitive #cognition #schoolpsychologists #schoolpsychologt #expresso #Gf #fluidintelligence
Lets hear it for morning Java/expresso!!! - #neurocognitve #brain #cogntion #whitematter #java #coffee #morningjoe #expresso #Gf #flluidintelligence
I’ve only got one addiction I still indulge in.  Double expresso’s (actually a  lungo  is my preference) in the morning.  Yet another study ...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · 16d
www.iqscorner.com/2025/10/the-... #CHC #Gs #Gwm #WISCV #WJIV #fluency #intelligence #SLD #LD #schoolpsychology #schoolpsychologists #education #EDPSY
The effect of #processingspeed [#Gs] on academic #fluency in children with #neurodevelopmental disorders - #CHC #WISCV #WJV #intelligence #schoolpsychologists #schoolpsychology #SLD #SLD #SPED #fluenc...
Click on images to enlarge for easy reading PDF copy of article can be downloaded here . Abstract   Poor processing speed (PS) is frequentl...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · 16d
www.iqscorner.com/2025/10/do-h... #aging #developmental #personality #intelligence #peakperformance #schoolpsychologists #schoolpsychology #CHC
[Do] Humans peak in midlife [?]: A combined #cognitive and #personality trait perspective - #intelligence #developmental #schoolpsychologists #schoolpsychology #CHC
Open access copy of article can be downloaded here.   Highlights • Age trends reviewed across 16 key cognitive and personality-related dimen...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · 16d
www.iqscorner.com/2025/10/extr... #CHC #SEM #cognitive #g+specific #reading #schoolpsychology #schoolpsychologist #SLD #LD #SPED #EDPSY #cognition
Extremely important (IMHO) #CHC #cognitive # reading achievement #g+specific abilities #SEM paper - #schoolpsychology #schoolpsychologists #SPED #EDPSY #LD #SLD
Extremely interesting (important/intriging) CHC cognitive-reading achievement relations meta-SEM paper.  Why?  Because, as far as I know, it...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · 19d
www.iqscorner.com/2025/10/iqs-... #AGI #AI #CHC #artificialintelligence #schoolpsychology #schoolpsychologists #EDPSY #psychology #intelliengece #IQ
IQs Corner pub alert: CHC theory of cognitive abilities used to define and evaluate AI - #AI #CHC #intelligence #schoolpsychology #schoolpsychologists #IQ #EDPSY
An exciting new paper from the Dan Hendryks et al. at the Center for AI Safety   The center is  a nonprofit with the mission  “ to reduce s...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · 20d
www.iqscorner.com/2025/10/iqs-... #AI #CHC #intelligence #schoolpsychologists #schoolpsychology #education #EDPSY
IQs Corner: AI and the Future of Skills, Volume 1, Capabilites and Assessments - #AI #intelligence #CHC #schoolpsychology #schoolpsychologists #education
Although a four-year old publication may seem like a long time in the AI literature, readers interested in the potential interface of AI and...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · 26d
www.iqscorner.com/2025/10/iqs-... #multipleintelligences #Gardner #MI #pseudoscience #learningdispatch #learningstyles #convenientfictions #schoolpsychology #schoolpsychologists #education #EDPSY #cognition
IQs Corner. Comfortable fictions—The myth of #Gardner’s #multipleintelligences and other #educational fads (e.g., #learningstyles) - #schoolpsychology #schoolpsychologists #education #pseudoscience #...
A thought provoking take at the Learning Dispatch (substack)  re  Gardner’s theory of multiple intelligences and other educational theories ...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Sep 30
What does Elon Musk’s Grok (aXI) think of Dr. Kevin McGrew ?- My Grok-based professional bio - #Grok #Musk #bio #AI #KevinMcGrew #schoolpsychology #CHC #schoolpsychologists #EDPSY #SPED #education #WJV
iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Sep 25
www.iqscorner.com/2025/09/iqs-... #IQ #intelligence #SCOTUS #testinterpretation #ID #APA #AAIDD #Atkins #deathpenalty
IQs Corner. In what way are #intelligence testing (#IQ) and the US Supreme Court (#SCOTUS) alike?—SCOTUS will be hearing important case addressing #multiple IQ scores and #intellectualdisability #Dx ...
This fall 2025, the Supreme Court of the United States (SCOTUS) will be hearing a case related to intelligence testing in the context of Atk...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Sep 3
www.iqscorner.com/2025/09/from... #CHC #cognitive #intelligence #IQ #Carroll #Horn #Woodcock #ChapelHill #schoolpsychology #schoolpsychologists
From the #Cattell-Horn-Carroll (#CHC) #cognitive #intelligence theory archives: Photos of important 1999 Carroll, Horn, Woodcock, Roid et al. meeting in Chapel Hill, NC.
I was recently cleaning my office when I stumbled upon these priceless photos from a 1999 historical meeting in Chapel Hill, NC that involve...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 27
www.iqscorner.com/2025/08/iqs-... #preprint #practiceeffect #neuropsychological #cognitive #longitudinal #progressiveerror #psychtesting #schoolpsychologists #schoolpsychology
IQs Corner: Practice effects persist over two decades of cognitive testing: Implications for longitudinal research - #practiceeffect #cognitive #neurocognit #IQ #intelligence #schoolpsychology #schoo...
Click on image to enlarge for easy reading MedRxiv preprint available at.   https://doi.org/10.1101/2025.06.16.25329587 Elman et al. (2025) ...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 27
www.iqscorner.com/2025/08/iqs-... #gifted #talent #highability #EDPSY #cognitive #intelligence #IQ #schoolpsychologists #schoolpsychology
IQs Corner: What is happening in gifted/high ability research from 2013 to 2023? - #gifted #talented #highability #EDPSY #intelligence #achievement #schoolpsychologists #schoolpsychology
Click on image to enlarge for easier reading Trends and Topics Evolution in Research on Giftedness in Education: A Bibliometric Analysis. ...
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Reposted by Dr. Kevin “IQ” McGrew
tandfresearch.bsky.social
Taylor & Francis Research @tandfresearch.bsky.social · Aug 26
🔓 Open Science exposes methods, data, and analytic code to public scrutiny.

🧠 Read 6 new studies on this topic in this special issue of ‘School Psychology Review’: spr.ly/63329f2rND
Cover of "School Psychology Review," Volume 50, No. 1, 2021. The National Association of School Psychologists (NASP) logo appears at the bottom.
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 26
www.iqscorner.com/2025/08/iqs-... #clinicaljudgment. #IQ #ID #AAIDD #intelligence #IQ #schoolpsychologists #schoolpsychology
IQs Corner: What is (and what is not) clinical judgment in intelligence test interpretation? - #IQ #intelligence #ID #intellectualdisability #schoolpsychologists #schoolpsychology #diagnos
What is clinical judgment in intelligence testing?   This term is frequently invoked when psychologists explain or defend their intelligence...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 17
www.iqscorner.com/2025/08/thou... #dyslexia #SLD #reading #schoolpsycholgy #schoolpsychologists #SPED
Thoughts on the definition of dyslexia: More on the ongoing debate re the definition of dyslexia - #dyslexia #SLD #schoolpsychologists #schoolpsychology #SPED #reading
Thoughts on the Definition of Dyslexia.   Annals of Dyslexia ( click here to read or download - open access) Linda S. Siegel,  David P. H...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 11
www.iqscorner.com/2025/08/wj-v... #WJV #schoolpsychologists #schoolpsychology #SLD #SPED #achievement #intelligence #technicalmanual
WJ V Technical Manual Abstract assessment service bulletin now available for download - #WJV #technicalmanual #schoolpsychologists #schoolpsychology #SLD #SPED #assessment #achievement #intelligence
Click on image to enlarge The WJ V Technical Manual Abstract assessment service bulletin is now available via Riverside Insights ( click h...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 11
www.iqscorner.com/2025/08/a-me... #SRL #CAMML #motivation #MACM #selfregulatedlearning #schoolpsychologists #schoolpsychology #EDPSY #cognitive #conative #cognition #metaanalysis
A #metaanalysis of #assessment of self-regulated learning (#SRL) - #selfregulatedlearning #learning #motivation #CAMML #EDPSY #schoolpsychologists #schoolpsychology #conative
Self-regulated learning (SRL) strategies are an important component of models of school learning.  Below is a new meta-analysis of SRL asses...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 6
www.iqscorner.com/2025/08/leav... #schoolpsychologist #schoolpsychology #CHC #conative #motivation #SRL #EDPSY #fugitiveliterature #learning #school #education
Leaving no child behind—Beyond cognitive and achievement abilities - #CAMML source “fugitive/grey” working paper now available. Enjoy - #NCLB #learning #EDSPY #motivation #affective #cognitive #intel...
I’ve recently made several posts regarding the importance of conative (i.e., motivation; self-regulated learning strategies; etc.) learner ...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Aug 2
www.iqscorner.com/2025/08/rese... #motivation #effort #IQ #intelligence #CHC #conative #cognition #noncognitive #EDPSY #schoolpsychology #schoolpsychologists
Research Byte: Is trying hard enough? Causal analysis of the effort-IQ relationship suggests not - #intelligence #IQ #motivation #volition #CAMML #conative #noncognitive
Is Trying Harder Enough? Causal Analysis of the Effort-IQ Relationship Suggests Not.   Timothy Bates.  Intelligence and Cognitive Abilities ...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Jul 29
www.iqscorner.com/2025/07/jour... #intelligence #workingmemory #attentionalcontrol #WJIV #CHC #networkanalysis #psychometric #schoolpsychologist #schoolpsychology #EDSPY #cognition #cognitive
Journal of Intelligence “Best Paper Award” for McGrew, Schneider, Decker & Bulut (2023) Psychometric network analysis of CHC measures - #psychometric #networkanalysis #intelligence #CHC #WJIV #bestpap...
Today I ( Kevin McGrew ), and colleagues Joel Schneider , Scott Decker , and Okan Bulut , were pleased to learn that our recent 2023 Journal...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Jul 23
www.iqscorner.com/2025/07/rese... #schoolpsychology #schoolpsychologist #SLD #SPED #EDPSY #CHC #cognition #visualworkingmemory #visualspatial #Gv #Gf #Gq
Research Byte: Lets hear it (again) for #visual-spatial (#Gv) #workingmemory (#Gwm) and math #reasoning (#Gf-RQ) — #CHC #SPED #EDPSY #schoolpsychology #schoolpsychologist #WJV
From Spatial Construction to Mathematics: Exploring the Mediating Role of Visuospatial Working Memory.   Developmental Psychology.   An open...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Jul 17
www.iqscorner.com/2025/07/rese... #wechsler #WAIS-V #WAIS-5 #developmental #cognition #intelligence #CHC #schoolpsychologist #schoolpsychology
Research Byte: #Cognitive #aging revisited: A cross-sectional analysis of the #WAIS-5 - #intelligence #developmental #cognition #schoolpsychologists #WAISV #schoolpsychology
Cognitive Aging Revisited: A Cross-Sectional Analysis of  the WAIS-5  Emily L. Winter, Brittany A. Dale, Sachiko Maharjan, Cynthia R. Lando,...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Jul 16
www.iqscorner.com/2025/07/rese... #cognition #cognitive #neuropsych #executivefunction #EF #schoolpsychology #schoolpsychologist #intelligence
Research Byte: The #cultural construction of #executivefunction - EF tasks reflect culturally-specific forms of #cognitive development - #cognition #schoolpsychology #schoolpsychologists #neuropsych
The cultural construction of “executive function”.   PNAS:  Research Article:  Psychological and Cognitive Sciences .  This is open access ...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Jul 14
www.iqscorner.com/2025/07/rese... #WJV #schoolpsychology #schoolpysychologists #SLD #SPED #achievement #EGA #invariance #networkpsychometrics
Research Byte: #Measurementinvariance of the #Woodcock-Johnson® V (#WJV) Achievement Battery: An Exploratory Graph Analysis (#EGA) Approach - #schoolpsychology #schoolpsychologists #sld #SPED #achiev...
Abstract The  Woodcock-Johnson V  ( WJ V ) test evaluates general intelligence and cognitive abilities using the Cattell–Horn–Carroll (CHC...
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iqmcgrew.bsky.social
Dr. Kevin “IQ” McGrew @iqmcgrew.bsky.social · Jul 7
www.iqscorner.com/2025/07/chc-... #intelligence #CHC #cognitive #cognitiveabilities #schoolpsychology
CHC Theory (2009) article hits 2000+ citations. Thanks.
2005 citations since 2009!!!!! On occasion I check my Google Scholar profile .  Yesterday I was pleased to see that my most frequently cited...
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