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Floor effects associated with universal screening and their impact on the early identification of reading disabilities.

Title: Floor effects associated with universal screening and their impact on the early identification of reading disabilities.
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Name(s): Catts, Hugh W, author
Petscher, Yaacov, author
Schatschneider, Christopher, author
Sittner Bridges, Mindy, author
Mendoza, Katherin, author
Type of Resource: text
Genre: Text
Date Issued: 2009-03-01
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: Response to intervention (RTI) holds great promise for the early identification and prevention of reading disabilities. The success of RTI rests in part on the accuracy of universal screening tools used within this framework. Despite advancements, screening instruments designed to identify children at risk for reading disabilities continue to have limited predictive validity. In this study, the authors examined a common screening instrument for the presence of floor effects and investigated the impact that these effects have on the predictive validity of the instrument. Longitudinal data (kindergarten to third grade) from a large cohort of children were used. These data included children's performance on five measures from the Dynamic Indicators of Basic Early Literacy Skills (DIBELS) and two reading achievement outcome measures. The results showed that DIBELS measures were characterized by floor effects in their initial administrations and that these effects reduced the predictive validity of the measures. The implications of these findings for early identification are discussed.
Identifier: FSU_pmch_19098274 (IID), 10.1177/0022219408326219 (DOI), PMC4308976 (PMCID), 19098274 (RID), 19098274 (EID), 0022219408326219 (PII)
Grant Number: P50 HD052120, P50 HD052120
Publication Note: This NIH-funded author manuscript originally appeared in PubMed Central at http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4308976.
Subject(s): African Americans/statistics & numerical data
Child
Child, Preschool
Cross-Sectional Studies
Dyslexia/diagnosis
Dyslexia/epidemiology
Dyslexia/ethnology
Dyslexia/prevention & control
Early Intervention (Education)
Education, Special/statistics & numerical data
European Continental Ancestry Group/statistics & numerical data
Female
Hispanic Americans/statistics & numerical data
Humans
Longitudinal Studies
Male
Mass Screening/statistics & numerical data
Psychometrics/statistics & numerical data
Reproducibility of Results
United States
Persistent Link to This Record: http://purl.flvc.org/fsu/fd/FSU_pmch_19098274
Owner Institution: FSU
Is Part Of: Journal of learning disabilities.
0022-2194
Issue: iss. 2, vol. 42

Choose the citation style.
Catts, H. W., Petscher, Y., Schatschneider, C., Sittner Bridges, M., & Mendoza, K. (2009). Floor effects associated with universal screening and their impact on the early identification of reading disabilities. Journal Of Learning Disabilities. Retrieved from http://purl.flvc.org/fsu/fd/FSU_pmch_19098274