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Catherine Mata; Katharine Meyer; Lindsay Page – Annenberg Institute for School Reform at Brown University, 2024
This article examines the risk of crossover contamination in individual-level randomization, a common concern in experimental research, in the context of a large-enrollment college course. While individual-level randomization is more efficient for assessing program effectiveness, it also increases the potential for control group students to cross…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Large Group Instruction
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Rafael Lara-Alecio; Beverly J. Irby; Fuhui Tong; Kara L. Sutton-Jones; Cindy L. Guerrero; Shifang Tang; Huiwen Pang – International Electronic Journal of Elementary Education, 2024
In this randomized control study, we evaluated science teachers' pedagogical practices via classroom observations following ongoing, intensive, and structured instructional support sessions. These sessions included virtual professional development (VPD) and virtual mentoring and coaching (VMC) that accompanied a literacy-infused science…
Descriptors: Science Education, Science Instruction, Teaching Methods, Science Teachers