The effect of smaller classes on infection-related school absence: evidence from the Project STAR randomized controlled trial
Abstract Background In an effort to reduce viral transmission, many schools reduced class sizes during the recent pandemic. Yet the effect of class size on transmission is unknown. Methods We used data from Project STAR, a randomized controlled trial in which 10,816 Tennessee elementary students wer...
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BMC,
2024-01-01T00:00:00Z.
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