Monday, November 30, 2009

Cattell-Horn-Carroll (CHC) theory: Key overview manuscripts by Kevin McGrew

I'm often asked for copies of the key Cattell-Horn-Carroll (CHC) theory of cognitive abilities articles or book chapters I have written.  Today I finally bite the bullet and scanned my 1997 and 2005 chapters into PDF files.  Together with my 2009 editorial in Intelligence, the following are the three most current manuscripts I've authored that  provide an overview and history of CHC theory and its role in intellectual assessment.  A special sidebar section will be added to the blog so readers can locate this source page quickly when needed.
  • Schneider, W. J., & McGrew, K. (2012).  The Cattell-Horn-Carroll model of intelligence. In, D. Flanagan & P. Harrison (Eds.), Contemporary Intellectual Assessment: Theories, Tests, and Issues (3rd ed.) (p. 99-144). New York: Guilford. (click here)
  • McGrew, K. (2009).  Editorial:  CHC theory and the human cognitive abilities project: Standing on the shoulders of the giants of psychometric intelligence research, Intelligence, 37, 1-10. (click here)
  • McGrew, K. S. (2005).  The Cattell-Horn-Carroll (CHC) theory of cognitive abilities:  Past, present and future. In D. Flanagan, & Harrison (Eds.), Contemporary intellectual assessment: Theories, tests, and issues-Second Edition (p.136-202). New York: Guilford Press. (click here)
    • A pre-pub. web-based version of this chapter, which includes links to additional resources and materials not in the final published chapter, can be found by clicking here.
    • McGrew, K. (1997).  Analysis of the major intelligence batteries according to a proposed comprehensive Gf-Gc framework.  In D.P. Flanagan, J.L. Genshaft, & P.L. Harrison (Eds).  Contemporary intellectual assessment:  Theories, tests, and issues (p. 151-180).  New York:  Guilford. (click here)

    Additional historical CHC timeline information is available in the CHC Timeline Project

    Other CHC-related theory and assessment references can be found in my resume.

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    Assessment issues: Malingering detection on WAIS-III and third-party testing observers

    Research briefs regarding malingering assessment on WAIS-III in TBI and use of third-party observers during psychological assessment posted at ICDP sister blog

    IQs Corner Recent Literature of Interest 11-26-09

    This weeks "recent literature of interest" is now available. Click here to view or download.

    Information regarding this feature, its basis, and the reasons for type of references included in each weekly installment can be found in a prior post.

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    iBlogging mobile post: Aging training and the brain lit review

    Cindy LustigContact Information, Priti Shah2, Rachael Seidler3 and Patricia A. Reuter-Lorenz1

    (1) Department of Psychology, University of Michigan, 530 Church Street, Ann Arbor, MI 48109-1043, USA
    (2) Departments of Psychology and Combined Program in Education and Psychology, University of Michigan, Ann Arbor, USA
    (3) Department of Psychology and School of Kinesiology, University of Michigan, Ann Arbor, USA

    Received: 12 June 2009  Accepted:12 October 2009  Published online: 30 October 2009

    Abstract  As the population ages, the need for effective methods to maintain or even improve older adults' cognitive performance becomes increasingly pressing. Here we provide a brief review of the major intervention approaches that have been the focus of past research with healthy older adults (strategy training, multi-modal interventions, cardiovascular exercise, and process-based training), and new approaches that incorporate neuroimaging. As outcome measures, neuroimaging data on intervention-related changes in volume, structural integrity; and functional activation can provide important insights into the nature and duration of an intervention's effects. Perhaps even more intriguingly, several recent studies have used neuroimaging data as a guide to identify core cognitive processes that can be trained in one task with effective transfer to other tasks that share the same underlying processes. Although many open questions remain, this research has greatly increased our understanding of how to promote successful aging of cognition and the brain.

    Keywords  Training - fmri - Healthy aging - Brain - Neuroimaging - Cardiovascular - Cognitive intervention

    Contact InformationCindy Lustig
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    Neuropsychology Review, Vol. 19, Issue 4 - New Issue Alert

    Monday, November 30

    Dear Valued Customer,
    We are pleased to deliver your requested table of contents alert for Neuropsychology Review.

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    In this issue:
    Decline and Compensation in Aging Brain and Cognition: Promises and Constraints
    Author(s)Naftali Raz
    Online sinceNovember 20, 2009
    Page411 - 414

    Cerebral White Matter Integrity and Cognitive Aging: Contributions from Diffusion Tensor Imaging
    Author(s)David J. Madden, Ilana J. Bennett & Allen W. Song
    Online sinceAugust 25, 2009
    Page415 - 435

    Beta-Amyloid Deposition and the Aging Brain
    Author(s)Karen M. Rodrigue, Kristen M. Kennedy & Denise C. Park
    Online sinceNovember 12, 2009
    Page436 - 450

    The Impact of Genetic Research on our Understanding of Normal Cognitive Ageing: 1995 to 2009
    Author(s)Antony Payton
    Online sinceSeptember 19, 2009
    Page451 - 477

    Aging and Spatial Navigation: What Do We Know and Where Do We Go?
    Author(s)Scott D. Moffat
    Online sinceNovember 20, 2009
    Page478 - 489

    Implicit Learning in Aging: Extant Patterns and New Directions
    Author(s)Anna Rieckmann & Lars Bäckman
    Online sinceOctober 09, 2009
    Page490 - 503

    Aging, Training, and the Brain: A Review and Future Directions
    Author(s)Cindy Lustig, Priti Shah, Rachael Seidler & Patricia A. Reuter-Lorenz
    Online sinceOctober 30, 2009
    Page504 - 522

    Cognitive Aging Research: An Exciting Time for a Maturing Field
    Author(s)Molly V. Wagster
    Online sinceNovember 22, 2009
    Page523 - 525
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    Wednesday, November 25, 2009

    WMF Press: CHC cognitive profiles of gifted report (Margulies & Floyd, 2009)

    Researchers focusing on cognitive assessment research, particularly that focused on CHC theory and assessment, should take a peak at a new publication outlet for quicker dissemination of research results (which the authors retain the copyright for possible publication in professional journals).

    "The WMF Press™ publishes professional research and theory articles of interest to professionals in cognitive ability assessment. The on-line publication of these papers is a professional contribution of the Woodcock-Muñoz Foundation; there is no download fee."  Additional information regarding WMF Press can be found at the above link.  The first research bulletin has just been published.

    • Margulies, A. S., & Floyd, R. G. (2009). A Preliminary Examination of the CHC Cognitive Ability Profiles of Children with High IQ and High Academic Achievement Enrolled in Services for Intellectual Giftedness
    WMF Press also publishes specially designed cognitive and neuropsychological related free software.

    Conflict of interest disclosure - I am the WMF Research Director, but make $0 on the downloading of any of these manuscripts and/or software.

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    Quantoids corner: Advances in Data Analysis and Classification, Vol. 3, Issue 3 - New Issue Alert

    Wednesday, November 25

    Dear Valued Customer,
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    In this issue:
    Author(s)Hans-Hermann Bock
    Online sinceNovember 13, 2009
    Page185 - 187

    Regular Article
    Parsimonious cluster systems
    Author(s)François Brucker & Alain Gély
    Online sinceNovember 01, 2009
    Page189 - 204

    Regular Article
    Aggregation invariance in general clustering approaches
    Author(s)François Bavaud
    Online sinceNovember 14, 2009
    Page205 - 225

    Regular Article
    Comparison of three hypothesis testing approaches for the selection of the appropriate number of clusters of variables
    Author(s)Véronique Cariou, Stéphane Verdun, Emmanuelle Diaz, El Mostafa Qannari & Evelyne Vigneau
    Online sinceNovember 06, 2009
    Page227 - 241

    Regular Article
    Temporally adaptive estimation of logistic classifiers on data streams
    Author(s)Christoforos Anagnostopoulos, Dimitris K. Tasoulis, Niall M. Adams & David J. Hand
    Online sinceNovember 14, 2009
    Page243 - 261

    Regular Article
    New robust dynamic plots for regression mixture detection
    Author(s)Domenico Perrotta, Marco Riani & Francesca Torti
    Online sinceNovember 12, 2009
    Page263 - 279

    Regular Article
    The value of the last digit: statistical fraud detection with digit analysis
    Author(s)Stephan Dlugosz & Ulrich Müller-Funk
    Online sinceNovember 13, 2009
    Page281 - 290

    Regular Article
    On critical sets of a finite Moore family
    Author(s)Jean Diatta
    Online sinceNovember 14, 2009
    Page291 - 304

    Regular Article
    Metrics of L p -type and distributional equivalence principle
    Author(s)Bernard Fichet
    Online sinceNovember 13, 2009
    Page305 - 314

    Regular Article
    Tests of ignoring and eliminating in nonsymmetric correspondence analysis
    Author(s)Yoshio Takane & Sunho Jung
    Online sinceNovember 14, 2009
    Page315 - 340
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    Tuesday, November 24, 2009

    20th Annual Butters-Kaplan West Coast Neuropsychology Conference - SAVE THE DATE]

    Register Today

    20th Annual Butters-Kaplan West Coast Neuropsychology Conference
    Advances in Pediatric Neuropsychology:
    From Toddlers Through School-Aged Children

    March 25-28, 2010

    Dear Colleague,

    As most of you have probably heard, the neuropsychology community suffered a deep loss with the passing of Dr. Edith Kaplan on September 3, 2009, at the age of 85. At the 20th anniversary of the West Coast Neuropsychology Conference, we will honor the life and works of Edith as part of a program on child neuropsychology that she and I were in the middle of organizing when Edith succumbed to complications related to heart surgery.

    The internationally renowned speakers at the 2010 conference will present their latest findings on the assessment and remediation of cognitive and behavioral impairments in pre-school and school-aged children. The speakers will (a) emphasize practical tools that clinicians and educators can use to provide comprehensive assessments and remediation strategies for children with neurocognitive deficits; and (b) highlight the role that Edith's work played in their particular line of research. This year's conference will also feature a pre-conference workshop on a new set of assessment tools – the Advanced Clinical Solutions for the WAIS-IV and WMS-IV – which provides new subtests, demographic-corrected norms, and effort measures designed for patients between the ages of 16 and 89. Thus, the preconference workshop on Thursday evening will be in the area of adolescent and adult neuropsychology, and the main conference from Friday to Sunday will be in the area of child neuropsychology. The program is intended for neuropsychologists, clinical psychologists, school psychologists, speech therapists, learning specialists, educators, psychiatrists, neurologists, and other interested health professionals.

    I cordially invite you to join us for this exciting and informative program and look forward to hosting you in San Diego, America's finest city.

    Dean C. Delis, PhD
    Conference Director

    This activity has been approved for AMA PRA Category 1 Credit™.

    For more information and to register online,

    UC San Diego School of Medicine
    Continuing Medical Education
    9500 Gilman Drive, MC0617, La Jolla, CA 92093-0617

    Phone: (858) 534-3940 • Toll-Free: (888) 229-OCME (6263) • Fax: (858) 534-7672
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    Copyright 2010, University of California, San Diego. All rights reserved.

    Dissertation dish: New insights on the subdomains of Gs (processing speed)

    Exploring the relationships among various measures of processing speed in a sample of children referred for psychological assessments by Nelson, Megan A., Ph.D., University of Virginia, 2009 , 102 pages; AAT 3348732


    Processing speed is a robust psychometric factor in modern tests of cognitive ability (Carroll, 1993), but the common factors underlying mental speed and its contributions to individual differences in functioning are not well understood. The goal of the current study was to further explore mental speed by conducting a confirmatory factor analysis (CFA) on 11 speeded subtest scores. It was hypothesized that the 11 subtests would be best represented by a four-factor model. These four factors were then submitted to a cluster analysis to identify whether certain patterns of factor scores were related to different demographic characteristics, diagnoses, or referral questions. It was hypothesized that Learning Disorder, Attention-Deficit/Hyperactive Disorder, and comorbid LD/ADHD diagnoses would be most likely to have unique processing speed factor patterns.

    Participants were 186 children (ages 6 - 18 years old) referred to a university-based clinic for a comprehensive psychological evaluation. The CFA indicated that although the 11 measures are all speeded, they are best represented as four distinct constructs, labeled perceptual speed, naming facility, academic facility, and reaction time in this study. The clusters produced in this study appeared to be most highly differentiated by level (likely influenced by intelligence level) and by pattern only in respect to reaction time factor scores. Therefore, both the CFA and cluster analyses lend support to Cattell-Horn-Carroll cognitive theory's distinction between cognitive processing speed (Gs) and decision/reaction time (Gt). Additionally, the CFA results suggest that Gs may be multifaceted, but the cluster analysis did not differentiate clusters based on the processing speed factors. Although the results of this study have important implications for both assessment clinicians and cognitive theory, further research is needed to clarify the constructs of processing speed and reaction time as well as to identify the clinical implications of different processing speed pattern

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