Tutorials and Fundamentals
Cluster Randomized Trials: Concepts
This blog summarizes the concepts of cluster randomization, and the logistical and statistical considerations while designing a cluster randomized controlled trial.
This blog summarizes the concepts of cluster randomization, and the logistical and statistical considerations while designing a cluster randomized controlled trial.
An introduction to the role of statistical power in the search for evidence.
A meta-epidemiological study published in the BMJ last month has found that smaller trials consistently report larger effect sizes.
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