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Factorial Randomized Controlled Trial
A factorial randomized controlled trial (factorial RCT) is an experimental design in which participants are randomly assigned to every possible combination of two or more independent factors (treatments or intervention components) simultaneously. This allows researchers to estimate the main effect of each factor and their interactions within a single, efficient trial, rather than running separate experiments for each factor.
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Sources
- Collins, L. M., Dziak, J. J., Kugler, K. C., & Trail, J. B. (2014). Factorial experiments: Efficient tools for evaluation of intervention components. American Journal of Preventive Medicine, 47(4), 498–504. DOI: 10.1016/j.amepre.2014.06.021 ↗
- Montgomery, D. C. (2017). Design and Analysis of Experiments (9th ed.). Wiley. ISBN: 978-1119492443
Related methods
Referenced by
Adaptive Full Factorial ExperimentAdaptive Multi-Arm ExperimentAdaptive Randomized Controlled TrialBlocked Randomized Controlled TrialCluster Randomized Control Group Experimental DesignCluster Randomized Controlled TrialCluster Randomized Factorial ExperimentCluster Randomized Fractional Factorial ExperimentCluster Randomized Full Factorial ExperimentCluster Randomized Multi-Arm ExperimentCluster Randomized Solomon Four-Group DesignCrossover Factorial ExperimentCrossover Randomized Controlled TrialDouble-blind Full Factorial ExperimentFactorial Control Group Experimental DesignFactorial Multi-Arm ExperimentFactorial Natural ExperimentFactorial Single-Subject Experimental DesignPilot Randomized Controlled TrialPragmatic Full Factorial ExperimentPragmatic Randomized Controlled Trial