IQ's Corner

Intelligent Insights on Intelligence Theories and Tests

Monday, December 01, 2025

New study on early smartphone use (around age 12) suggests potential physical and mental health issues

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Interesting FYI email-based quick post.  Nice to see the authors remind us that correlation does not prove causation. But……..   https://www....
Sunday, November 30, 2025

IQs Corner: #Cloze test performance and #cognitive abilities: A comprehensive #meta-analysis - #intelligence #Grw #Gc #CHC #g #Gf #schoolpsychologists #schoolpsychologt

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This is an open access article that can be read/downloaded at this link . Click on image to enlarge Abstract Cloze tests have a long history...
Thursday, November 27, 2025

Uncovering the Complex Effects of #SocioeconomicStatus (#SES) and #ExecutiveFunctions on Academic #Achievement: A Systematic Review and Meta-analysis | Educational Psychology Review

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Quick email sent blog FYI post   Uncovering the Complex Effects of Socioeconomic Status and Executive Functions on Academic Achievement: A S...
Wednesday, November 26, 2025

Cognitive profile of individuals with #borderline #intellectual functioning: A systematic review—#BIF #intelligence #school psychologists #schoolpsychologyn#AAIDD

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Click image to enlarge Quick email based blog post.  This is an open access article—you can download the PDF copy for this article   Cogniti...

Factor structure of the Japanese #WAIS-IV: Evidence for the #CHC theory using #Bayesian analysis

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Quick email-based FYI article post.  Click link to view more about the article   Factor structure of the Japanese WAIS-IV: Evidence for the ...
Monday, November 24, 2025

NY Times article: America’s children are unwell—Are schools part of the problem?

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  https://www.nytimes.com/2025/11/24/magazine/youth-mental-health-crisis-schools.html?unlocked_article_code=1.3k8.SqUT.-iVKFtsi4Lfe&smid...
Sunday, November 23, 2025

The importance of attention for variation in learning to learn —#Gwm #AC #learning

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  Quick email sent blog post.   And yet another study demonstrating the central role of attentional control (Gwm-AC as per CHC) in learning....
Saturday, November 22, 2025

How is spatial reasoning associated with mathematical ability? Evidence based on a meta-analysis - ScienceDirect

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How is spatial reasoning associated with mathematical ability? Evidence based on a meta-analysis - ScienceDirect  https://www.sciencedirect....

Screen Time in Tweens Predicts ADHD, Slower Brain Growth

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Quick email-to-blog FYI post   Screen Time in Tweens Predicts ADHD, Slower Brain Growth  https://neurosciencenews.com/screentime-adhd-neurod...
Thursday, November 20, 2025

Effects of artificial #intelligence (#AI) on #educational functioning: A review and #metaanalysis — #EDPSY #schoolpsychologists #schoolpsychology #cognition

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Link to journal Abstract   Burgeoning integration of AI into educational settings could have profound implications for students’ performance...
Friday, November 14, 2025

Effects of Age and Processing Speed on Tilt Are Primarily Linear and Additive, Not Nonlinear and Multiplicative | Published in Intelligence & Cognitive Abilities

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Quick email-based blog FYI post.   Effects of Age and Processing Speed on Tilt Are Primarily Linear and Additive, Not Nonlinear and Multipli...
Tuesday, November 11, 2025

Cognitive disability might be on the rise in the U.S., particularly among younger adults

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FYI quik-email posting to blog.   Cognitive disability might be on the rise in the U.S., particularly among younger adults  https://www.psyp...
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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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