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Henry May; Aly Blakeney – AERA Online Paper Repository, 2022
This paper presents evidence confirming the validity of the RD design in the Reading Recovery study by examining the ability of the RD design to replicate the 1st grade results observed in the original i3 RCT focused on short-term impacts. Over 1,800 schools participated in the RD study over all four cohort years. The RD design used cutoff-based…
Descriptors: Reading Programs, Reading Instruction, Cutting Scores, Comparative Analysis
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Tang, Shifang; Guerrero, Cindy Lynn; Lopez, Tamara; Tong, Fuhui; Irby, Beverly J. – AERA Online Paper Repository, 2017
Using a low inference observation instrument, we investigated the effect of an ongoing, intensive, and structured virtual professional development [VPD] on fidelity of implementation across conditions in a randomized control trial validation study implemented in seven Texas school districts. The observations were collected three time in the…
Descriptors: Fidelity, Program Implementation, Randomized Controlled Trials, Virtual Classrooms
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Lachapelle, Cathy Pauline; Oh, Yoonkyung; Cunningham, Christine M. – AERA Online Paper Repository, 2017
We present main effects of treatment and moderating effects of student background on science and engineering outcomes for grades 3-5 children participating in an engineering intervention. Data is from a large-scale randomized-controlled trial of two matched pairs (intervention and comparison) of engineering units. The intervention curriculum…
Descriptors: Instructional Effectiveness, Engineering, Engineering Education, Intervention