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. 2007 Winter;19(1):57-64.
doi: 10.1176/jnp.2007.19.1.57.

Apathy in dementia: an examination of the psychometric properties of the apathy evaluation scale

Diana E Clarke  1 , Robert van Reekum, Martine Simard, David L Streiner, Morris Freedman, David Conn
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Apathy in dementia: an examination of the psychometric properties of the apathy evaluation scale

Diana E Clarke et al. J Neuropsychiatry Clin Neurosci. 2007 Winter.

Abstract

The psychometric properties of the clinician, informant, and self-rated versions of the Apathy Evaluation Scale (AES-C/I/S) were examined using data on 121 outpatients seen in a behavioral neurology clinic for the assessment of dementia and associated neuropsychiatric disorders. Two factors, apathy and interest, were identified for the AES-C and the AES-I. The AES-S had only an apathy factor. The AES-C was found to have fairly good psychometric properties. However, from a diagnostic point of view, the AES-I provided the greatest sensitivity and the strongest positive and negative predictive values. Generally, the AES-S performed poorly compared with the AES-C and AES-I.

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