One Cluster Per Condition is Not a Valid Design in Cluster-Randomized Trials. Comment on Wang Et Al. the Effect of Different Physical Exercise Programs on Physical Fitness among Preschool Children: A Cluster-Randomized Controlled Trial. Int. J. Environ. Res. Public Health 2023, 20, 4254.
International journal of environmental research and public health（2023）
关键词
Exercise,Physical Literacy,Physical Fitness
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