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Ashworth, Kristen E.; Pullen, Paige C. – Learning Disability Quarterly, 2015
The purpose of this study was to compare the results of a regression discontinuity design (RDD) with those of an experimental design of a tiered vocabulary intervention for children at risk for reading disability to determine RDD's feasibility as a research methodology for this type of study. Researchers reanalyzed an archival dataset of a…
Descriptors: Vocabulary, Intervention, At Risk Students, Reading Difficulties
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Lam, Elizabeth A.; McMaster, Kristen L. – Learning Disability Quarterly, 2014
The purpose of this review was to update previous reviews on factors related to students' responsiveness to early literacy intervention. The 14 studies in this synthesis used experimental designs, provided small-group or one-on-one reading interventions, and analyzed factors related to responsiveness to those interventions. Participants were…
Descriptors: Predictor Variables, Early Intervention, Emergent Literacy, Longitudinal Studies