Journal Article

The Alzheimer's Disease Knowledge Scale: Development and Psychometric Properties

Brian D. Carpenter, Steve Balsis, Poorni G. Otilingam, Priya K. Hanson and Margaret Gatz

in The Gerontologist

Published on behalf of The Gerontological Society of America

Volume 49, issue 2, pages 236-247
Published in print April 2009 | ISSN: 0016-9013
Published online March 2009 | e-ISSN: 1758-5341 | DOI: https://dx.doi.org/10.1093/geront/gnp023
The Alzheimer's Disease Knowledge Scale: Development and Psychometric Properties

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  • Geriatric Medicine
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Purpose: This study provides preliminary evidence for the acceptability, reliability, and validity of the new Alzheimer's Disease Knowledge Scale (ADKS), a content and psychometric update to the Alzheimer's Disease Knowledge Test. Design and Methods: Traditional scale development methods were used to generate items and evaluate their psychometric properties in a variety of subsamples. Results: The final 30-item, true/false scale takes approximately 5–10 min to complete and covers risk factors, assessment and diagnosis, symptoms, course, life impact, caregiving, and treatment and management. Preliminary results suggest that the ADKS has adequate reliability (test–retest and internal consistency) and validity (content, predictive, concurrent, and convergent). Implications: The ADKS is designed for use in both applied and research contexts, capable of assessing knowledge about Alzheimer's disease among laypeople, patients, caregivers, and professionals.

Keywords: Alzheimer's disease; Knowledge; Assessment; Psychometrics; Health education

Journal Article.  5874 words.  Illustrated.

Subjects: Geriatric Medicine ; Biological Sciences ; Psychology ; Gerontology and Ageing

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