Using Rasch Measurement Theory to Identify Poorly Performing ORF Passages (OS253)

  • PMD: 1,9
  • Skill Level: Intermediate

Learner Objectives

This session will help participants…

  1. learn about passage effects on ORF passages and their impact on screening and progress monitoring decisions.
  2. learn how the Rasch Poisson Counts Model can be used to address passage effects.
  3. learn how the Rasch Poisson Counts Model can be used to flag poorly performing ORF passages that do not adequately discriminate between students with high/low ORF skills.

Description

It has become widely acknowledged that oral reading fluency (ORF) passages vary in text difficulty. Moreover, research has flagged some passages as especially problematic because they do not adequately discriminate between students with high/low ORF skills. The resultant purpose of the present study was to estimate the Rasch discrimination index for a sample of first through third grade ORF passages using the Rasch Poisson Counts Model in order to identify poorly performing passages.

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Presenter(s)

Esther H. Yi, Northern Illinois University
Kara M. Styck, Northern Illinois University
Christopher J. Anthony, University of Florida

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