Construct Validity and Measurement Invariance of the Peabody Picture Vocabulary Test-III Form A in the Performance of Struggling Adult Readers: Rasch Modeling
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PURPOSE: The aim of this study was to apply the Rasch model to an analysis of the psychometric properties of the PPVT-III Form A items with struggling adult readers. METHODS: The PPVT-IIIA was administered to 229 African-American adults whose isolated word rea... ...
