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Direct linkErbeli, Florina; He, Kai; Cheek, Connor; Rice, Marianne; Qian, Xiaoning – Scientific Studies of Reading, 2023
Purpose: Researchers have developed a constellation model of decodingrelated reading disabilities (RD) to improve the RD risk determination. The model's hallmark is its inclusion of various RD indicators to determine RD risk. Classification methods such as logistic regression (LR) might be one way to determine RD risk within the constellation…
Descriptors: At Risk Students, Reading Difficulties, Classification, Comparative Analysis
Karoly, Lynn A. – RAND Corporation, 2014
Care Quality Rating and Improvement Systems (QRISs) have advanced and matured, a number of states and localities have undertaken evaluations to validate the systems. Such efforts stem from the desire to ensure that the system is designed and operating in the ways envisioned when the system was established. Given that a central component in a QRIS…
Descriptors: Rating Scales, Program Effectiveness, Early Childhood Education, Educational Quality
Schatschneider, Christopher; Wagner, Richard K.; Hart, Sara A.; Tighe, Elizabeth L. – Scientific Studies of Reading, 2016
The present study employed data simulation techniques to investigate the 1-year stability of alternative classification schemes for identifying children with reading disabilities. Classification schemes investigated include low performance, unexpected low performance, dual-discrepancy, and a rudimentary form of constellation model of reading…
Descriptors: Reading Difficulties, Learning Disabilities, At Risk Students, Disability Identification
Petscher, Yaacov; Solari, Emily J.; Catts, Hugh W. – Journal of Learning Disabilities, 2019
The present study explores the longitudinal development between Grade 3 word level reading skills and higher level semantic skills to Grade 10 reading comprehension for 3,157 students. In particular, this work focused on how the developmental relations varied for subsamples of students who are English learners (EL; N = 308), students identified as…
Descriptors: Longitudinal Studies, Reading Skills, Grade 3, Reading Comprehension
Quinn, Jamie M.; Wagner, Richard K. – Journal of Learning Disabilities, 2015
Reading impairment is more common in males, but the magnitude and origin of this gender difference are debated. In a large-scale study of reading impairment among 491,103 beginning second-graders, gender differences increased with greater severity of reading impairment, peaking at a ratio of 2.4:1 for a broad measure of fluency and a ratio of…
Descriptors: Gender Differences, Reading Difficulties, Severity (of Disability), Learning Disabilities
Download full textWood, Carla; Fitton, Lisa; Petscher, Yaacov; Rodriguez, Estrella; Sunderman, Gretchen; Lim, Taehyeong – Grantee Submission, 2018
Purpose: This study aimed to examine the effect of an intensive vocabulary intervention embedded in e-books on the vocabulary skills of young Spanish-English speaking English Learners (ELs) from low SES backgrounds. Methods: Children (288) in kindergarten and first grade were randomly assigned to treatment and read-only conditions. All children…
Descriptors: Books, Electronic Publishing, Vocabulary Development, Bilingual Students
