Strategies for Efficient Experimental Design in Studies Probing 2-1-1 Mediation
Strategies for Efficient Experimental Design in Studies Probing 2-1-1 Mediation
复制标题
2-1-1 调解研究中有效实验设计的策略
DOI:
10.1080/00220973.2018.1533796
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
& Shen, Z.
中科院分区:
文献类型:
--
作者:
Kelcey, B.;& Shen, Z.
When well-implemented, mediation analyses play a critical role in probing theories of action because their results help lay the ground work for the critical development of a treatment and the iterative advancement of theories that are foundational to a discipline. Despite strong interest in designs that incorporate mediation, few studies have developed effective and efficient strategies to plan experiments examining multilevel mediation. We probe several design strategies for cluster-randomized designs and derive sampling plans that maximize power under cost constraints. The results suggest that among the more durable design strategies for mediation is covariance adjustment on variables predictive of the outcome and optimal sample allocation. The statistical power and optimal sample allocation results are implemented in theRpackagePowerUpR.
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DOI:
10.1080/00220973.2016.1220911
发表时间:
2017
期刊:
The Journal of Experimental Education
影响因子:
--
作者:
Ben Kelcey;Jessaca K. Spybrook;Geoffrey Phelps;Nathan D. Jones;Jiaqi Zhang
通讯作者:
Jiaqi Zhang
影响因子:
2
作者:
Abu Manju, Md;Candel, Math J. J. M.;Berger, Martijn P. F.
通讯作者:
Berger, Martijn P. F.
DOI:
10.1080/1743727x.2016.1150454
发表时间:
2016
影响因子:
2
作者:
Jessaca K. Spybrook;Ran Shi;Ben Kelcey
通讯作者:
Ben Kelcey
影响因子:
3.8
作者:
Lisa Wagner;W. Ruch
通讯作者:
W. Ruch
影响因子:
2.4
作者:
Ben Kelcey;N. Dong;Jessaca K. Spybrook;Kyle Cox
通讯作者:
Kyle Cox