Results from the NACC Uniform Data Set Neuropsychological Battery Crosswalk Study

Neuropsychology Work Group Advisory to the Clinical Task Force

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Introduction: Four new nonproprietary tests were recommended for use in the National Alzheimer's Coordinating Center's Uniform Data Set Neuropsychological Battery. These tests are similar to previous tests but also allow for continuity of longitudinal data collection and wide dissemination among research collaborators. Methods: A Crosswalk Study was conducted in early 2014 to assess the correlation between each set of new and previous tests. Tests with good correlation were equated using equipercentile equating. The resulting conversion tables allow scores on the new tests to be converted to equivalent scores on the previous tests. Results: All pairs of tests had good correlation (ρ=0.68 to 0.78). Learning effects were detected for Logical Memory only. Confidence intervals were narrow at each point estimate, and prediction accuracy was high. Discussion: The recommended new tests are well correlated with the previous tests. The equipercentile equating method produced conversion tables that provide a useful reference for clinicians and researchers.

Original languageEnglish (US)
Pages (from-to)134-139
Number of pages6
JournalAlzheimer Disease and Associated Disorders
Volume30
Issue number2
DOIs
StatePublished - 2016
Externally publishedYes

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Keywords

  • Alzheimer disease
  • cognitive impairment
  • longitudinal
  • neuropsychology
  • test equating

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Psychiatry and Mental health
  • Gerontology
  • Clinical Psychology

Cite this

Results from the NACC Uniform Data Set Neuropsychological Battery Crosswalk Study. / Neuropsychology Work Group Advisory to the Clinical Task Force.

In: Alzheimer Disease and Associated Disorders, Vol. 30, No. 2, 2016, p. 134-139.

Research output: Contribution to journalArticle

Neuropsychology Work Group Advisory to the Clinical Task Force. / Results from the NACC Uniform Data Set Neuropsychological Battery Crosswalk Study. In: Alzheimer Disease and Associated Disorders. 2016 ; Vol. 30, No. 2. pp. 134-139.
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