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| 阶梯楔形整群随机试验× | 簇随机试验× | |
|---|---|---|
| 领域≠ | 因果推断 | 临床研究 |
| 方法族≠ | Regression model | Process / pipeline |
| 起源年份≠ | 2007 | 1999-2000 |
| 提出者≠ | Hussey and Hughes | Campbell, Grimshaw, Elbourne et al. |
| 类型≠ | Phased implementation trial design | Research Design |
| 开创性文献≠ | Hemming, K., Haines, T. P., Chilton, P. J., Girling, A. J., & Lilford, R. J. (2015). The stepped wedge cluster randomised trial: rationale, design, analysis, and reporting. British Medical Journal, 350, h391. DOI ↗ | Campbell, M. K., Grimshaw, J. M., & Elbourne, D. R. (2000). Intracluster correlation coefficients in cluster randomized trials: empirical insights into how should they be reported. BMC Medical Research Methodology, 4, 30. link ↗ |
| 别名≠ | SWCRT, SW-CRT, Stepped Wedge Design | CRT, cluster RCT, cluster trial, group randomization |
| 相关 | 3 | 3 |
| 摘要≠ | A stepped wedge cluster randomized trial is an experimental design where clusters (e.g., schools, hospitals, communities) are randomized to receive an intervention in a phased, staggered manner over time. First formally described by Hussey and Hughes in 2007, this design combines the benefits of cluster randomization with a time-stepped implementation strategy. It is particularly useful for evaluating the effectiveness of interventions in real-world healthcare and public health settings. | A cluster randomized trial (CRT) randomizes intact groups—schools, clinics, villages, or hospital wards—rather than individuals. Developed by Campbell, Grimshaw, and colleagues in the late 1990s to address real-world settings where intervention delivery or contamination occurs at the group level, CRTs are now standard for evaluating population-level, community-based, and policy interventions. |
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