IQ score and the “seduction of quantification”: Concise overview of the historical #eugenics use of #IQ and emerging new conceptualizations—#g #CHC #POT #processoverlap #schoolpsychology #schoolpsych... Click on image to enlarge for easy reading I stumbled on this relatively concise article that provides a nice (and brief) overview of the hi...

www.iqscorner.com/2026/03/iq-s... #schoolpsychology #schoolpsychologists #IQ #intelligence #g #generalintelligence #psychometricg #CHC #pot #eugenics #WJV

Research alert-very important article: Beyond Working Memory Capacity: Attention Control as the Underlying Mechanism of Cognitive Abilities - #cognitive #intelligence #Gwm #attentionalcontrol #AC #wo... Click on images to enlarge for better readability Very important article (open source.. click here to read/download) regarding cognitive f...

www.iqscorner.com/2026/02/rese... #AC-Gwm #attentionalcontrol #Gwm #workingmemory #g #schoolpsychology #schoolpsychologists #cognition #intelligence #CHC #WJIV #WJV #cogntive #cognition

Independent review of the Woodcock-Johnson Tests of Cognitive Abilities - #WJV #CHC #cognitive #intelligence #schoolpsychologists #schoolpsychology #SLD #SPED Abstract The Woodcock–Johnson V Tests of Cognitive Abilities (WJ V COG), published in February 2025, offers the latest edition of the WJ f...

www.iqscorner.com/2025/12/inde... #WJV #WJIV #WoodcockJohnson #testreview #CHC #SLD #schoolpsychologists #schoolpsychology #SPED #cognition #intelligence

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

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...

www.iqscorner.com/2025/08/wj-v... #WJV #schoolpsychologists #schoolpsychology #SLD #SPED #achievement #intelligence #technicalmanual

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...

www.iqscorner.com/2025/07/rese... #WJV #schoolpsychology #schoolpysychologists #SLD #SPED #achievement #EGA #invariance #networkpsychometrics

Research Byte: Individual differences in #spatial navigation and #workingmemory - lets hear it for the new #WJV visual memory test—#CHC #Gv #Gwm #schoolpsychology #cognition #intelligence Individual differences in spatial navigation and working memory Intelligence . Sorry, but not an open access downloadable article 😕 Abstra...

www.iqscorner.com/2025/06/rese... #visualworkingmemory #workingmemory #Gwm #Gv #executivefunctions #WJV #WJIII #WJIV #intelligence #CHC

Research Byte: General Ability (#g) Level Moderates Cognitive–#Achievement Relations for #Mathematics (#WJIV)—#WJIV #WJV #schoolpsychology #mathematics #SPED #EDPSYCH [ Blogmaster comment :   First…COI info…I’m a coauthor of the WJ IV and WJ V.  Second, regular readers may have noticed that I’ve been MIA o...

www.iqscorner.com/2025/06/rese... #WJIV #WJV #schoolpsychology #schoolpsychologists #mathematics #Gq #g #generalintelligence #SPED #EDPSYCH

Thanks. The #CAI Richard W. Woodcock Award for Innovations in #Abilitytesting, #Research, and #Scholarship - #schoolpsychology #WJV #cognitive #intelligence #psychometrics Warning…a bit of self-promotion.   I want to thank the CAI group for this awesome professional recognition.  This particular award has co...

www.iqscorner.com/2025/01/than... #Woodcockaward #CAI #schoolpsychology #cognition #intelligence #WJV #psychometrics

#WJV and #CHC theory of #cognitive abilities: An animated video overview of CHC theory model used in WJ V revision - attention #schoolpsychology #SLD #SPED #psychology #intelligence An oldie but goodie.  I originally posted this CHC cognitive theory 2.5 update video 6 years ago, after Joel Schneider and I published the l...

www.iqscorner.com/2025/01/wjv-... #CHCtheory #CHC #WJV #schoolpsychology #psychology #SLD #SPED #assessment

#WJV #CE option for forthcoming #CAI “State of the art of #SLD identification” (with special focus on the new #WJV) - #WJV #RiversideInsights #SLD #schoolpsychology #SLD I was asked to pass-along a reminder from the CAI group that in its  upcoming 2nd annual webinar  (in collaboration with  Riverside Insig...

www.iqscorner.com/2025/01/wjv-... #WJV #Intelligence #SLD #SPED #schoolpsychology #webinar #CE #RiversideInsights

#WJV #cognitive and #achievement webinar and independent training resources from Schoolhouse Educational Services—attention #schoolpsychology #schoolpsychologists #SLD #SPED FYI.   Schoolhouse Educational Services  (Dr. Milton Dehn & Paula Dehn) have just announced future  WJ V cognitive and achievement webinar...

www.iqscorner.com/2025/01/wjv-... #schoolpsychology #SLD #WJV #SPED #intelligence #assessment #achievement

Why “IQ’s Corner” name? Dr. IQ McGrew’s special #schoolpsycholgy #intelligence and #CHC corner on the web. I am often asked why the blog I started in March 2005  (close to 20 years ago) was given the name IQ’s Corner.  Here is the brief backstory...

www.iqscorner.com/2025/01/why-... #IQsCorner #intelligence #WJIV #WJV #schoolpsychology #SLD #SPED

Research byte: Early #numeracy and #mathematics development: A longitudinal #metaanalysis on the predictive nature of early numeracy—attention #schoolpsychology #SPED #WJV Early numeracy and mathematics development: A longitudinal meta-analysis on the predictive nature of early numeracy. Liu, Y., Peng, P., & Ya...

www.iqscorner.com/2025/01/rese... #mathematics #numeracy #schoolpsychology #WJV #WJIV #cognition #intelligence #SPED #numbersense

Applied #psychometrics 101: Strong programs of #constructvalidity—the #theory - #measurement framework with emphasis on #substantive & #structural validity - #WJIV #WJV #shoolpsychology #psychology The validity of psychological tests “is an overall judgment of the degree to which empirical evidence and theoretical rationales support the...

www.iqscorner.com/2024/12/appl... #psychometrics #schoolpsychology #WJIV #WJV #constructvalidity #validity #theory #measurement

CAI January 2025 WJ V McGrew Webinar: An overview of the WJ V Tests of Cognitive Abilities (A “look behind the curtain” of the WJ IV to WJ V ‘cognitive’ (COG+VTL batteries) revision. Click to start brief (5 minute) overview of agenda for Dr. Kevin McGrew’s “An overview of the WJ V Tests of Cognitive Abilities ”.  January ...

www.iqscorner.com/2024/10/cai-... #WJV #intelligence #CHC

On the origin and evolution (from 1997 chapter to 2025 #WJV) of the #CHC #intelligence theories definitions: The missing CHC definition’s birth certificate This is an updated version of an OBG (oldie but goodie) post originally made in 2017.   The historical development of the CHC model of int...

www.iqscorner.com/2024/11/on-o... #schoolpsychologists #WJV #CHC #intelligence

#WJIV Geometric-Quantoid (#geoquant) #intelligence art: A geoquant interpretation of #cognitive tests is worth a 1000 words—some similar “art parts” will be in #WJV technical manual (You will need to click on image to enlarge figure to read) I frequently complete data analyses that never see the light-of-day in a journal...

#WJIV Geometric-Quantoid (#geoquant) #intelligence art: A geoquant interpretation of #cognitive tests is worth a 1000 words—some similar “art parts” will be in #WJV technical manual. ift.tt/yHNeZEc

#WJIV Geometric-Quantoid (#geoquant) #intelligence art: A geoquant interpretation of #cognitive tests is worth a 1000 words—some similar “art parts” will be in #WJV technical manual…https://ift.tt/yHNeZEc

Stay tunned!!!! #WJV g and non-g multiple #CHC theoretical models to be presented in the forthcoming (2025) technical manual: Senior author’s (McGrew) position re the #pscyhometric #g factor and #bif... (c) Copyright, Dr. Kevin S. McGrew, Institute for Applied Psychometrics (11-14-24) Warning, may be TLDR for many. :).  Also, I will be rerea...

Stay tunned!!!! #WJV g and non-g multiple #CHC theoretical models to be presented in the forthcoming (2025) technical manual: Senior author’s (McGrew) position re the #pscyhometric #g factor and #bifactorg models. ift.tt/la6nD0C