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.
Yasaman Jamshidi-NaeiniArmando PenaAbu Bakkar SiddiqueAndrew W BrownDavid B AllisonPublished in: International journal of environmental research and public health (2023)
Wang et al. [...].