方法对比
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| 簇随机析因实验× | 整群随机对照试验× | |
|---|---|---|
| 领域 | 实验设计 | 实验设计 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1990s (formalized in group-randomized trial literature) | 1978–1980s |
| 提出者≠ | David M. Murray and colleagues; Allan Donner & Neil Klar | Cornfield (1978); systematised by Donner and colleagues (1980s) |
| 类型 | Experimental design | Experimental design |
| 开创性文献≠ | Murray, D. M. (1998). Design and Analysis of Group-Randomized Trials. Oxford University Press. ISBN: 978-0195120912 | Donner, A., & Klar, N. (2000). Design and Analysis of Cluster Randomization Trials in Health Research. Arnold. ISBN: 978-0340652978 |
| 别名 | cluster-randomized factorial design, group-randomized factorial trial, CRT factorial, clustered factorial experiment | cluster RCT, group-randomized trial, community randomized trial, cluster-randomized experiment |
| 相关≠ | 5 | 4 |
| 摘要≠ | A cluster randomized factorial experiment assigns intact groups (clusters such as schools, clinics, or communities) at random to all combinations of two or more treatment factors, enabling simultaneous evaluation of multiple interventions and their interactions while respecting the natural grouping of participants. It merges the logistical and ethical advantages of cluster randomization with the efficiency of factorial design. | A cluster randomized controlled trial (cluster RCT) is an experimental design in which intact social or organisational groups — such as schools, clinics, villages, or workplaces — are randomly assigned to treatment conditions rather than individual participants. Outcomes are still measured at the individual level, but the unit of randomization is the cluster. This design is essential when an intervention is delivered to whole groups, when there is a risk of contamination between participants in the same setting, or when individual randomization is logistically or ethically impractical. |
| ScholarGate数据集 ↗ |
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