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Gerontologist. 2009 Apr;49(2):236-47. doi: 10.1093/geront/gnp023. Epub 2009 Mar 25.

The Alzheimer's Disease Knowledge Scale: development and psychometric properties.

Author information

  • 1Department of Psychology, Washington University in St Louis, St Louis, MO 63130, USA. bcarpenter@wustl.edu

Abstract

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.

PMID:
19363018
[PubMed - indexed for MEDLINE]
PMCID:
PMC2667675
Free PMC Article

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