Rasch models of aphasic performance on syntactic comprehension tests

Roee Gutman, Gayle DeDe, Jennifer Michaud, Jun S. Liu, David Caplan

Research output: Contribution to journalArticle

8 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)230-244
Number of pages15
JournalCognitive Neuropsychology
Volume27
Issue number3
DOIs
StatePublished - May 1 2010

Keywords

  • Aphasic
  • Rasch models
  • Syntactic comprehension

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Developmental and Educational Psychology
  • Arts and Humanities (miscellaneous)
  • Cognitive Neuroscience

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