Validity analyses of a measure of conversation in dementia

Orange, JB and Lubinski, Rosemary and Johnson, Andrew and Purves, Barbara and Small, Jeff (2009) Validity analyses of a measure of conversation in dementia. [Clinical Aphasiology Paper]

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Abstract

Despite recent advances in our knowledge of the language and communication of individuals with dementia of the Alzheimer’s type (DAT), several questions remain unanswered regarding strategies to minimize language and communication difficulties. The purpose of the current study was to build on previous reliability analyses and to determine the validity properties of an empirically derived 74-item questionnaire on communication and DAT called the Perception of Conversation Index – Dementia of the Alzheimer type (PCI-DAT). Results from 113 family caregivers showed excellent concurrent validity with substantively significant correlations, both positive and negative, with the ABCD, the FLCI and the CAPPCI.

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