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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: The unrecognized role of fidelity in effectiveness-implementation hybrid trials: simulation study and guidance for implementation researchers

Fig. 2

Parallel and stepped-wedge cluster randomized trial designs

A: Comparison of study designs: parallel and stepped wedge designs for 12 clusters and seven time points; 1 = the intervention is implemented, 0 = the intervention is not implemented;

B: Overview of potential fidelity patterns: increase of fidelity over six time points by line type (fast, linear and slow) modelled by different types of functions (logarithmic, linear, exponential)

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