方法对比
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| 自适应现场实验× | 因子田间试验× | |
|---|---|---|
| 领域 | 实验设计 | 实验设计 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1990s–2000s (formalized in field economics and development research contexts) | 1920s–1935 (Fisher's foundational work); widely applied through 20th century |
| 提出者≠ | Developed at the intersection of adaptive trial methodology (Berry, Bauer) and field experimentation (Duflo, Kremer, List) | Ronald A. Fisher (factorial principle); extended to field settings in agricultural and social sciences |
| 类型≠ | Adaptive experimental design conducted in naturalistic settings | Experimental design |
| 开创性文献≠ | Berry, D. A. (2004). Bayesian statistics and the efficiency and ethics of clinical trials. Statistical Science, 19(1), 175–187. DOI ↗ | Fisher, R. A. (1935). The Design of Experiments. Oliver and Boyd. link ↗ |
| 别名 | adaptive field trial, sequentially adaptive field experiment, responsive field experiment, adaptive randomized field study | factorial design in the field, field factorial design, multi-factor field trial, factorial field trial |
| 相关≠ | 6 | 5 |
| 摘要≠ | An adaptive field experiment is a randomized study conducted in a real-world environment in which pre-specified decision rules allow the researcher to modify the trial as interim data accumulate — for example, by reallocating participants toward more effective arms, adjusting sample size, or stopping early for efficacy or futility — all while maintaining statistical integrity. | A factorial field experiment applies factorial experimental design — simultaneously manipulating two or more independent factors across all combinations of their levels — in a real-world field setting rather than a controlled laboratory. It allows researchers to estimate both main effects and interaction effects of multiple factors on an outcome under ecologically valid conditions, making findings directly relevant to practice. |
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