Test-retest stability on the WRAT-3 reading subtest in geriatric cognitive evaluations.

Ashendorf L, Jefferson AL, Green RC, Stern RA
J Clin Exp Neuropsychol. 2009 31 (5): 605-10

PMID: 18821160 · PMCID: PMC2728046 · DOI:10.1080/13803390802375557

The primary goal of this study was to establish the stability of the Wide Range Achievement Test (WRAT-3) Reading score across two annual assessments of aging individuals. Participants were classified as controls (n = 200), mild cognitive impairment (MCI; n = 137), or possible or probable Alzheimer's disease (AD; n = 41). Test-retest stability was acceptable to high for all diagnostic groups. The descriptive classification (e.g., "average") remained consistent for only 74% of participants. Results indicated that WRAT-3 Reading scores are appropriate for use with older adults, though the use of categorical descriptors to describe premorbid ability based on these scores is not supported.

MeSH Terms (11)

Aged Alzheimer Disease Cognition Cognition Disorders Female Geriatric Assessment Humans Male Neuropsychological Tests Reading Reproducibility of Results

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