The Use of Item Response Theory in Developing a Phonics Diagnostic Inventory

This study was conducted to investigate the reliability of the Phonics Diagnostic Inventory (PDI), a curriculum-based, specific skill mastery measurement tool for diagnosing and informing the treatment of decoding weaknesses. First, a modified one-parameter item response theory model was employed to...

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Bibliographic Details
Main Author: Pirani-McGurl, Cynthia A.
Format: Others
Published: ScholarWorks@UMass Amherst 2009
Subjects:
Online Access:https://scholarworks.umass.edu/open_access_dissertations/68
https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1058&context=open_access_dissertations