Kevin McGrew's Blog (16)

Institute for Applied Psychometrics (IAP) web page and internet resources updated

Institute for Applied Psychometrics (IAP) web page and network of internet resources updated last week. Long overdue

http://tinyurl.com/2vlwtfo

Kevin McGrew

Added by Kevin McGrew on August 9, 2010 at 1:19pm — No Comments

Cattell-Horn-Carroll (CHC) intellectual assessment: Special issue of PITS now available

Special Psych in the Schools issue on Cattell-Horn-Carroll (CHC) intelligence assessment now available. Info at IQs Corner - http://tinyurl.com/2e2jyaz

Kevin McGrew

Added by Kevin McGrew on July 15, 2010 at 1:35pm — No Comments

Is the Flynn Effect (IQ norm obsolescence) a scientifically accepted fact. # 2 in Flynn Effect report series http://tinyurl.com/26cetdxKevin McGrew

Is the Flynn Effect (IQ norm obsolescence) a scientifically accepted fact. # 2 in Flynn Effect report series

http://tinyurl.com/26cetdx

Kevin McGrew
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Added by Kevin McGrew on June 30, 2010 at 2:59pm — No Comments

New malingering efficacy research with mild MR/ID

New study on efficacy of common tests of malingering with MR/ID subjects. Authors suggest "new approach" may be necessary for MR/ID as it relates to Atkins MR/ID death penalty cases

Added by Kevin McGrew on April 23, 2010 at 4:40pm — 2 Comments

Brain training fitness wars beging

Brain training fitness wars

begin http://tinyurl.com/28nav9d… Continue

Added by Kevin McGrew on April 22, 2010 at 10:08am — No Comments

IQ Test CHC DNA Fingerprints: Understanding IQ score differences for WJ III/BAT III vs WJ-R/BAT-R

IQ Test CHC DNA Fingerprint comparison of WJ III/BAT III vs WJ-R/BAT-R global IQ scores. Why IQ differences may occur due to differential CHC content composition of global IQ scores

Other IQ Test CHC DNA Fingerprint comparisons can be accessed via a link at the bottom of the post at IQ's Corner blog.

Enjoy

Kevin McGrew

Added by Kevin McGrew on April 21, 2010 at 11:47am — No Comments

Research Bytes: Ga, Gv, Gf, Gs, working memory, dyslexia, orthography plus more

Numerous interesting research study abstracts at IQs Corner.

Added by Kevin McGrew on April 3, 2010 at 11:46am — No Comments

Is cognitive impulsivity a multidimensional hierarchical construct?

Is cognitive impulsivity a multidmensional hierarchical construct ? Very well done study in recent Personality and Individual Differences journal. Abstract, reference, and link to the article available at IQs Corner.

Added by Kevin McGrew on March 25, 2010 at 11:30am — No Comments

IQ Test CHC DNA Fingerprints: Understanding IQ score differences

I just posted a possible explanation for two different IQ test scores
in an Atkins MR/ID death penalty case. In the process I've introduced
a new feature called "IQ Test CHC DNA Fingerprints"------and I will be
posting such "CHC fingerprints" for all major IQ batteries and select
special purpose batteries shortly. Info available by clicking here.

Kevin McGrew

Added by Kevin McGrew on March 8, 2010 at 12:44pm — No Comments

AAIDD formal response to APA DSM-V proposed intellectual disability (ID) definition

Yesterday an AAIDD subcommittee published its formal response the the
American Psychiatric Association's DSM-V proposed definition for
intellectual disability (ID). A copy can be viewed/downloaded at the following link (click here)

Added by Kevin McGrew on February 23, 2010 at 1:20pm — No Comments

Critique of DSM-V proposed definition and criteria for intellectual disability (ID)

Dr. Dale Watson, a clinical neuropsychologist, has written an excellent guest post re: concerns for the DSM-V proposed definition and criteria for ID over at my ICDP blog. If interested you can check it out here.

Added by Kevin McGrew on February 12, 2010 at 11:38am — No Comments

WISC-IV and WAIS-IV research--what is out there? Looking for correlation matrices

I'm trying to locate research that has been published re: the new WISC-IV and WAIS-IV. I just ran a search of a dissertation database and found zero for the WAIS-IV but quite a few for the WISC-IV. The results can be found by clicking here.

I'm particularly interested in finding any published or yet to be published correlation matrices that include either the WAIS-IV/WISC-IV and at least one other… Continue

Added by Kevin McGrew on February 10, 2010 at 10:43am — No Comments

Understanding Wechsler IQ score differences: The CHC evolution of the Wechsler FS IQ scores over time

I have posted an analysis of the CHC (Cattell-Horn-Carroll) cognitive abilities measured by the Wechsler subtests, across the various editions, at IQs Corner. The post suggests that examiners should consider the changing CHC content of the various Wechsler batteries when attempting to compare scores from different editions. Enjoy. Feedback/comments welcomed.

Added by Kevin McGrew on February 7, 2010 at 12:35pm — No Comments

AAIDD ID/MR 11th edition manual -1 SD below average

I just posted the final of a 3-part series of comments re: problems I see in the latest official AAIDD manual for defining and classifying individuals with intellectual disabilities. The final post is actually in the form of a lenghtly on-line (and downloadable) PPT slide show that is described below:

"This presentation traces the evolution of psychometric theories of intelligence from Spearman's g to contemporary CHC. In… Continue

Added by Kevin McGrew on January 26, 2010 at 11:58am — No Comments

Pushing the edge of CHC intelligence theory and the WJ III measurement model

New online PPT. Pushing the edge of the CHC IQ theory and the WJ III measurement model. http://tinyurl.com/ykg73lz

Added by Kevin McGrew on January 14, 2010 at 10:55am — No Comments

What does the WAIS-IV measure: CHC analysis and beyond

IAP AP101 Report #2: What does the WAIS-IV measure: CHC analysis and beyond is now up for viewing. Enjoy. Feedback and discussion welcomed

http://tinyurl.com/ykshhv2

Added by Kevin McGrew on November 8, 2009 at 10:13pm — No Comments