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Randomized Controlled Trials2
Statistical Analysis2
Statistical Inference2
Error of Measurement1
Evidence1
Mediation Theory1
Reliability1
Research Design1
Robustness (Statistics)1
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Society for Research on…2
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Amota Ataneka2
Ben Kelcey2
Fangxing Bai2
Kyle Cox2
Yanli Xie2
Nianbo Dong1
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Experimental Design and Analysis of Multiple-Group Individually-Randomized Group Trials
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Ben Kelcey; Fangxing Bai; Amota Ataneka; Yanli Xie; Kyle Cox – Society for Research on Educational Effectiveness, 2024
We consider a class of multiple-group individually-randomized group trials (IRGTs) that introduces a (partially) cross-classified structure in the treatment condition (only). The novel feature of this design is that the nature of the treatment induces a clustering structure that involves two or more non-nested groups among individuals in the…
Descriptors: Randomized Controlled Trials, Research Design, Statistical Analysis, Error of Measurement
Designing Multisite Randomized Trials to Detect (Moderated) Mediation Effects
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Fangxing Bai; Ben Kelcey; Amota Ataneka; Yanli Xie; Kyle Cox; Nianbo Dong – Society for Research on Educational Effectiveness, 2024
Purpose: Multisite mediation studies are a cornerstone in mapping out developmental processes because they probe the mechanisms of a treatment while creating key opportunities to learn from and about variation in those mechanisms across sites. Despite the prevalence of multisite studies, a significant gap in the literature is how to plan such…
Descriptors: Randomized Controlled Trials, Mediation Theory, Statistical Analysis, Robustness (Statistics)