Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Age effects on Wechsler Adult Intelligence Scale-III subtests.

J J Ryan1, J M Sattler, S J Lopez

  • 1Dwight D. Eisenhower Veterans Affairs Medical Center, USA. ryan@cmsu1cmsu.edu

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
|November 1, 2003
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Corrigendum for health-related quality of life and hospitalizations in chronic thromboembolic pulmonary hypertension versus idiopathic pulmonary arterial hypertension: And analysis from the Pulmonary Hypertension Association Registry.

Pulmonary circulation·2022
Same author

Preliminary Incubation Count as an Index of Raw Milk Microbiological Quality During Storage.

Journal of food protection·2019
Same author

Bacteriological Quality of Soft-Serve Mixes and Frozen Products.

Journal of food protection·2019
Same author

Too much of a good thing: beta-chain overexpression blocks FcεRI signalling by capturing Lyn in the cytosol.

Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology·2014
Same author

Brominated flame retardants in Canadian chicken egg yolks.

Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment·2011
Same author

Modulation of mast cell adhesion, proliferation, and cytokine secretion on electrospun bioresorbable vascular grafts.

Journal of biomedical materials research. Part A·2011

Older adults aged 45-89 show changes in Wechsler Adult Intelligence Scale-III (WAIS-III) scoring, particularly in performance tasks. Fluid intelligence measures decline more with age than crystallized intelligence measures.

Area of Science:

  • Psychometrics
  • Cognitive Aging
  • Neuropsychology

Background:

  • The Wechsler Adult Intelligence Scale-Revised (WAIS-R) has been a cornerstone for assessing adult intelligence.
  • Understanding age-related changes in cognitive abilities is crucial for accurate assessment and interpretation.
  • The Horn-Cattell theory distinguishes between fluid and crystallized intelligence, offering a framework for cognitive aging research.

Purpose of the Study:

  • To extend previous WAIS-R research to the Wechsler Adult Intelligence Scale-III (WAIS-III).
  • To determine age-related changes in scaled-score point allotments for WAIS-III subtests.
  • To evaluate WAIS-III performance through the lens of crystallized and fluid intelligence constructs.

Main Methods:

  • Analysis of age norms for the 14 individual WAIS-III subtests.

Related Experiment Videos

  • Comparison of performance between older adults (45-89 years) and a younger reference group (20-34 years).
  • Evaluation of subtest performance in relation to crystallized and fluid intelligence measures.

    • Main Results:

    • Age norms reveal increased scaled-score points for the Letter-Number Sequencing subtest and seven Performance Scale subtests in older adults (45-89 years).
    • Subtests measuring processing speed exhibited a greater decline with age compared to those assessing verbal processing.
    • Findings align with the theory that fluid intelligence measures show a more pronounced decline with aging than crystallized intelligence measures.

    Conclusions:

    • The WAIS-III demonstrates age-related adjustments in scoring, particularly impacting performance-based assessments.
    • Processing speed appears more vulnerable to age-related decline than verbal abilities.
    • The study supports the differential aging of fluid and crystallized intelligence, as measured by the WAIS-III.