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The Use of the Regression Discontinuity Design in Tiered Intervention Research: A Pilot Study Exploring Vocabulary Instruction for At-Risk Kindergarteners
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Tuckwiller, Elizabeth D.; Pullen, Paige C.; Coyne, Michael D. – Learning Disabilities Research & Practice, 2010
The purpose of this article was twofold: (1) to explore the feasibility of the regression discontinuity design (RDD) in response-to-intervention implementation research and (2) to expand upon the limited research on vocabulary instruction for kindergarten students who are at risk for reading failure due to limited vocabularies. This pilot study…
Descriptors: Reading Difficulties, Research Design, Intervention, Learning Disabilities
Attributes of Effective and Efficient Kindergarten Reading Intervention: An Examination of Instructional Time and Design Specificity
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Simmons, Deborah C.; Kame'enui, Edward J.; Harn, Beth; Coyne, Michael D.; Stoolmiller, Mike; Santoro, Lana Edwards; Smith, Sylvia B.; Beck, Carrie Thomas; Kaufman, Noah K. – Journal of Learning Disabilities, 2007
A randomized experimental design with three levels of intervention was used to compare the effects of beginning reading interventions on early phonemic, decoding, and spelling outcomes of 96 kindergartners identified as at risk for reading difficulty. The three instructional interventions varied systematically along two dimensions--time and design…
Descriptors: Beginning Reading, Research Design, Phonemics, Kindergarten