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Cogn Neuropsychol. 2010 May;27(3):230-44. doi: 10.1080/02643294.2010.512285.

Rasch models of aphasic performance on syntactic comprehension tests.

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  • 1Department of Statistics, Harvard College, Cambridge, MA, USA.

Abstract

Responses of 42 people with aphasia to 11 sentence types in enactment and sentence-picture matching tasks were characterized using Rasch models that varied in the inclusion of the factors of task, sentence type, and patient group. The best fitting models required the factors of task and patient group but not sentence type. The results provide evidence that aphasic syntactic comprehension is best accounted for by models that include different estimates of patient ability in different tasks and different difficulty of all sentences in different groups of patients, but that do not include different estimates of patient ability for different types of sentences.

PMID:
21058076
PMCID:
PMC3057915
DOI:
10.1080/02643294.2010.512285
[PubMed - indexed for MEDLINE]
Free PMC Article
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