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Miciak, Jeremy; Williams, Jacob L.; Taylor, W. Pat; Cirino, Paul T.; Fletcher, Jack M.; Vaughn, Sharon – Journal of Educational Psychology, 2016
No previous empirical study has investigated whether the learning disabilities (LD) identification decisions of proposed methods to operationalize processing strengths and weaknesses approaches for LD identification are associated with differential treatment response. We investigated whether the identification decisions of the…
Descriptors: Learning Disabilities, Disability Identification, Predictor Variables, Intervention
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Bryant, Diane Pedrotty; Bryant, Brian R.; Roberts, Greg; Vaughn, Sharon; Pfannenstiel, Kathleen Hughes; Porterfield, Jennifer; Gersten, Russell – Grantee Submission, 2011
The purpose of this study was to determine the effects of an early numeracy preventative Tier 2 intervention on the mathematics performance of first-grade students with mathematics difficulties. Researchers used a pretest-posttest control group design with randomized assignment of 139 students to the Tier 2 treatment condition and 65 students to…
Descriptors: Grade 1, Numeracy, Intervention, Mathematics Skills
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Fletcher, Jack M.; Francis, David J.; Boudosquie, Amy; Copeland, Kim; Young, Victoria; Kalinowski, Sharon; Vaughn, Sharon – Exceptional Children, 2006
The interaction hypothesis proposes that valid test accommodations benefit only those with disabilities. To evaluate this hypothesis, Grade 3 students with word decoding difficulties identified with dyslexia and average decoders were randomly assigned to take the same version of the Texas reading accountability assessment under accommodated and…
Descriptors: Grade 3, Reading Difficulties, Interaction, Oral Reading