California Older Adult Stroop Test

 

Authors: Nancy Pachana, Bernice Marcopulos, Ruth Yoash-Gantz, & Larry Thompson

The California Older Adult Stroop Test (COAST) is a Stroop-type test specifically designed and normed on an older adult population. Traditional Stroop-type tests often incorporate blue as a color; older adults may have difficulties distinguishing blue from green accurately due to changes in their vision, which can interfere with accurate results. Blue-green color confusion can be particularly pronounced in persons with dementia. Our test uses red, green and yellow colors and is briefer, suiting older adults in a wide range of clinical and research settings.

The COAST is a timed test and requires use of a stopwatch.

Copyright © 2010 by Nancy A. Pachana & Larry W. Thompson

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  • $50.00
    Includes details on reliability, validity, scoring, etc. and a review-only copy of the COAST. PDFs are not refundable.
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  • $10.00
    A $30 set up fee will be applied at checkout. Allows you to administer the COAST via a paper and pencil survey. The downloadable PDF file includes one copy of the COAST, scoring key, and permission to reproduce/administer the COAST for up to the quantity purchased. The PDF is non-refundable.
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  • $60.00
    Includes details on reliability, validity, scoring, etc. and a review-only copy of the COAST. This is a paper product. The manual will be printed, bound, and shipped to you (FedEx shipping costs apply).
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Features of the COAST

Purpose: Use a Stroop-type test designed specifically for older adults.

Length: 50 cards

Average completion time: 15 minutes

Target population: Age 60 and over

Administration: For individual administration

Extra materials needed: Stopwatch

Comparison norms: Normative data for the COAST is provided for healthy older adults, as well as those with type-II diabetes (representing norms for older adults with a chronic medical condition), depressed outpatients, psychiatric inpatients and persons with dementia.

Uses of the COAST

  • Assessment of older adults with a question of dementia
  • Evaluating older adults with head injury or other medical, psychiatric or neurological conditions which may be interfering with cognitive functioning
  • Assessment of older individuals with depression
  • Research instrument to investigate executive functioning in older populations

Scales

The COAST allows computation of time to completion for the familiar three traditional Stroop-type tasks (Color Naming, Word Naming and Inference) with normative data for time to completion of each trial, in addition to self-corrected and total errors for each individual trial. Scoring is quick and easy.

Color Naming

Word Naming

Inference Trial

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