IQ's Corner

Intelligent Insights on Intelligence Theories and Tests

Monday, October 27, 2025

Lets hear it for morning Java/expresso!!! - #neurocognitve #brain #cogntion #whitematter #java #coffee #morningjoe #expresso #Gf #flluidintelligence

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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 ...
Sunday, October 19, 2025

The effect of #processingspeed [#Gs] on academic #fluency in children with #neurodevelopmental disorders - #CHC #WISCV #WJV #intelligence #schoolpsychologists #schoolpsychology #SLD #SLD #SPED #fluency #EDPSY

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Click on images to enlarge for easy reading PDF copy of article can be downloaded here . Abstract   Poor processing speed (PS) is frequentl...

[Do] Humans peak in midlife [?]: A combined #cognitive and #personality trait perspective - #intelligence #developmental #schoolpsychologists #schoolpsychology #CHC

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Open access copy of article can be downloaded here.   Highlights • Age trends reviewed across 16 key cognitive and personality-related dimen...

Extremely important (IMHO) #CHC #cognitive #reading achievement #g+specific abilities #SEM paper - #schoolpsychology #schoolpsychologists #SPED #EDPSY #LD #SLD

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Extremely interesting (important/intriging) CHC cognitive-reading achievement relations meta-SEM paper.  Why?  Because, as far as I know, it...
Thursday, October 16, 2025

IQs Corner pub alert: CHC theory of cognitive abilities used to define and evaluate AI - #AI #CHC #intelligence #schoolpsychology #schoolpsychologists #IQ #EDPSY

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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...
Wednesday, October 15, 2025

IQs Corner: AI and the Future of Skills, Volume 1, Capabilites and Assessments - #AI #intelligence #CHC #schoolpsychology #schoolpsychologists #education

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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...
Wednesday, October 08, 2025

IQs Corner. Comfortable fictions—The myth of #Gardner’s #multipleintelligences and other #educational fads (e.g., #learningstyles) - #schoolpsychology #schoolpsychologists #education #pseudoscience #intelligence

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A thought provoking take at the Learning Dispatch (substack)  re  Gardner’s theory of multiple intelligences and other educational theories ...
Monday, September 29, 2025

What does #ElonMusks #Grok (#xAI) think of Dr. Kevin #McGrew ? - My Grok-based professional bio

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I’ve finally started to play around with different AI programs.  I’ve been taking topics where I know the extant research well (e.g., CHC th...
Thursday, September 25, 2025

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 in fall 2025 term

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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...
Tuesday, September 02, 2025

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.

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I was recently cleaning my office when I stumbled upon these priceless photos from a 1999 historical meeting in Chapel Hill, NC that involve...
Wednesday, August 27, 2025

IQs Corner: Practice effects persist over two decades of cognitive testing: Implications for longitudinal research - #practiceeffect #cognitive #neurocognit #IQ #intelligence #schoolpsychology #schoolpsychologists

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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) ...
Tuesday, August 26, 2025

IQs Corner: What is happening in gifted/high ability research from 2013 to 2023? - #gifted #talented #highability #EDPSY #intelligence #achievement #schoolpsychologists #schoolpsychology

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  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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Kevin McGrew
Dr. Kevin McGrew is Director of the Institute for Applied Psychometrics (llc). Additional information, including potential conflicts of interest resulting from commercial test development or other consultation, can be found at The MindHub(TM; http://www.themindhub.com ). General email contact is iqmcgrew@gmail.com
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