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IPSyn: Psychometric properties and modifications (Yang et al., 2021) ...
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IPSyn: Psychometric properties and modifications (Yang et al., 2021) ...
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Abstract:
Purpose: The Index of Productive Syntax (IPSyn) is a well-known language sample analysis tool. However, its psychometric properties have not been assessed across a wide sample of typically developing preschool-age children and children with language disorders. We sought to determine the profile of IPSyn scores by age over early childhood. We additionally explored whether the IPSyn could be shortened to fewer items without loss of information and whether the required language sample could be shortened from a current required number of 100 utterances to 50. Method: We used transcripts from the Child Language Data Exchange System, including 1,051 samples of adult–child conversational play with toys within the theoretical framework of item response theory. Samples included those from typically developing children as well as children with hearing loss, Down syndrome, and late language emergence. Results: The Verb Phrase and Sentence Structure subscales showed more stable developmental trajectories over the ...
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Keyword:
Language
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URL: https://asha.figshare.com/articles/journal_contribution/IPSyn_Psychometric_properties_and_modifications_Yang_et_al_2021_/16915690 https://dx.doi.org/10.23641/asha.16915690
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