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Sample size and power calculations for open cohort longitudinal cluster randomized trials.
(John Wiley and Sons, 2020-03-04)
When calculating sample size or power for stepped wedge or other types of longitudinal cluster randomized trials, it is critical that the planned sampling structure be accurately specified. One common assumption is that ...
The staircase cluster randomised trial design: A pragmatic alternative to the stepped wedge.
(2023-11-30)
This article introduces the 'staircase' design, derived from the zigzag pattern of steps along the diagonal of a stepped wedge design schematic where clusters switch from control to intervention conditions. Unlike a complete ...