Propositional Idea Density in written descriptions of health: Potential clinical applications

Spencer, Elizabeth and Ferguson, Alison and Craig, Hugh and Colyvas, Kim (2013) Propositional Idea Density in written descriptions of health: Potential clinical applications. [Clinical Aphasiology Paper]

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Abstract

In order to assess the effect of word finding difficulties for the spontaneous discourse of people with aphasia, a number of different measures of informativeness have been developed for clinical application (Doyle, Goda, & Spencer, 1995; Nicholas & Brookshire, 1993; Oelschlaeger & Thorne, 1999; Wright, Silverman, & Newhoff, 2003). The main challenges for the assessment of discourse (written or spoken) relate to issues of validity and reliability (AUTHOR DELETED). There is a need for valid and authentic sampling which is personally relevant to individuals and additionally, able to be repeated for the same individual on successive occasions, and comparable to other individuals. The use of a consistent elicitation task that could be widely used for adult populations would be beneficial to both allow comparisons of the same individual over time and also across individuals.

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