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Download full textCatherine 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
Vohra, Divya; Rowan, Patricia; Hotchkiss, John; Lim, Kenneth; Lansdale, Aimee; O'Neil, So – Mathematica, 2021
In the 2020-2021 school year, many schools and districts around the country implemented routine COVID-19 testing to proactively detect cases among teachers, students, and staff and stop the spread of the virus. Such testing made it possible for many communities to gain the needed support from teachers and parents to reopen schools and resume…
Descriptors: COVID-19, Pandemics, School Districts, Educational Environment
