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ERIC Number: EJ1100987
Record Type: Journal
Publication Date: 2016-Apr
Pages: 10
Abstractor: As Provided
ISSN: ISSN-0161-1461
Exploring the Utility of a School-Age Narrative Microstructure Index: Proportion of Restricted Utterances
Jerger, Sara; Thorne, John C.
Language, Speech, and Hearing Services in Schools, v47 n2 p171-180 Apr 2016
Purpose: This research attempted to replicate Hoffman's 2009 finding that the proportion of narrative utterances with semantic or syntactic errors (i.e., = 14% "restricted utterances") can differentiate school-age children with typical development from those with language impairment with a sensitivity of 83% and specificity of 88%. Method: Methods similar to Hoffman (2009) were used to evaluate an existing set of narratives from 16 age-matched pairs of 8- to 9-year-old children, half with known language impairment. Transcripts were segmented into T-units; a code of [RESTRICTED] was assigned to any utterance with semantic or syntactic errors. Results: A Welch's t test for independent samples revealed a statistically significant difference in the mean proportion of restricted utterances between the two groups after accommodation for an outlier with typical development. A cutoff of = 14% restricted utterances replicated Hoffman's (2009) sensitivity but not specificity. Post hoc analysis of specific error types found sensitivity and specificity rates similar to Hoffman's as well as a significant difference in means when using a proportion of sentence-internal morphosyntactic errors. Conclusion: Results support further exploration of utterance-level error coding for diagnostic purposes and future development of this approach to meet clinical assessment needs.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A