Psychometric properties of discourse measures in aphasia: acceptability, reliability, and validity

International Journal of Language & Communication Disorders
Madeleine PritchardLucy Dipper

Abstract

Discourse in adults with aphasia is increasingly the focus of assessment and therapy research. A broad range of measures is available to describe discourse, but very limited information is available on their psychometric properties. As a result, the quality of these measures is unknown, and there is very little evidence to motivate the choice of one measure over another. To explore the quality of a range of discourse measures, targeting sentence structure, coherence, story structure and cohesion. Quality was evaluated in terms of the psychometric properties of acceptability (data completeness and skewness), reliability (inter- and intra-rater), and validity (content, convergent, discriminant and known groups). Participants with chronic mild-to-moderate aphasia were recruited from community groups. They produced a range of discourses which were grouped into Cinderella and everyday discourses. Discourses were then transcribed orthographically and analyzed using macro- and microlinguistic measures (Story Grammar, Topic Coherence, Local Coherence, Reference Chains and Predicate Argument Structure-PAS). Data were evaluated against standard predetermined criteria to ascertain the psychometric quality of the measures. A total of 17 pa...Continue Reading

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Jun 1, 2017·International Journal of Language & Communication Disorders·Madeleine PritchardLucy Dipper

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Citations

Jul 23, 2019·American Journal of Speech-language Pathology·Marion C Leaman, Lisa A Edmonds
Jan 28, 2020·Journal of the International Neuropsychological Society : JINS·Elodie GuillouëtSophie Charveriat
Feb 25, 2020·International Journal of Language & Communication Disorders·Madeline CruiceLucy Dipper
Mar 20, 2020·Journal of Speech, Language, and Hearing Research : JSLHR·Kevin T Cunningham, Katarina L Haley
Jun 26, 2020·American Journal of Speech-language Pathology·Brielle C StarkSaryu Sharma
Apr 21, 2021·Scientific Reports·Michael IorgaTodd B Parrish
Sep 24, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Brielle C StarkAngela C Roberts
Nov 8, 2021·Archives of Physical Medicine and Rehabilitation·Leora R CherneyRebecca Hunting Pompon

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Aphasia affects the ability to process language, including formulation and comprehension of language and speech, as well as the ability to read or write. Here is the latest research on aphasia.