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Marah Sutherland; Derek Kosty; Taylor Lesner; Joanna Hermida; Keith Smolkowski; Christian T. Doabler; Ben Clarke – Exceptional Children, 2024
The effectiveness of Tier 2 interventions may depend on the variability of student skills within an intervention group. We investigated the effect of pretest variability within intervention groups using data from a large-scale study of ROOTS, a Tier 2 kindergarten mathematics intervention. Our research questions were as follows: Does mathematics…
Descriptors: Mathematics Instruction, Program Effectiveness, Kindergarten, Young Children
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Tasia Brafford; Beth Harn; Ben Clarke; Christian T. Doabler; Derek Kosty; Kathleen Scalise – Learning Disabilities Research & Practice, 2023
Assessing implementation allows for a better understanding of an intervention's effects and the mechanisms that influence its impact. Two main areas of implementation are: (1) the quality with which an intervention is delivered; and (2) instructors' adherence to the programmed intervention. The current study used data from a kindergarten…
Descriptors: Program Implementation, Intervention, Educational Quality, Fidelity
Marah Sutherland; Taylor Lesner; Derek Kosty; Cayla Lussier; Keith Smolkowski; Jessica Turtura; Christian T. Doabler; Ben Clarke – Journal of Learning Disabilities, 2023
High-quality Tier 1 instruction is frequently conceptualized as the "foundation" for other tiers of intervention within multitiered systems of support (MTSS) models. However, the vast majority of Tier 2 intervention studies do not account for Tier 1 variables when examining intervention effectiveness. The purpose of this study was to…
Descriptors: Multi Tiered Systems of Support, Mathematics Instruction, Intervention, Fidelity