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Title page for ETD etd-08192010-224436


Type of Document Dissertation
Author Zumeta, Rebecca O'Rand
URN etd-08192010-224436
Title Enhancing the Accuracy of Kindergarten Screening
Degree PhD
Department Special Education
Advisory Committee
Advisor Name Title
Lynn S. Fuchs Committee Chair
Donald L. Comptong Committee Member
Douglas Fuchs Committee Member
Joseph R. Jenkins Committee Member
Keywords
  • dynamic assessment
  • PSF
  • phoneme segmentation fluency
  • DIBELS
  • screening
Date of Defense 2010-08-06
Availability unrestricted
Abstract
The Phoneme Segmentation Fluency (PSF) subtest of the Dynamic Indicators of Basic Early Literacy Skills (DIBELS) has acceptable reliability and moderate validity, but limited diagnostic accuracy when used with kindergarteners. Also, the importance of fluency in the evaluation of sublexical skills is unclear, and recommended PSF scoring rules may affect characterizations of performance. Working with kindergarteners (n = 87), we investigated the role of fluency and scoring rules in phoneme segmentation screening. We also piloted a dynamic assessment (DA) with a subsample of 37 students. Results revealed that although accuracy-based measures and DA did not explain more overall variance than PSF, they did explain significant unique variance. Furthermore, accuracy-based measures and dynamic assessment improved correct classification rates, compared to PSF.

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