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| Thí nghiệm tự nhiên thí điểm× | Thử nghiệm đối chứng ngẫu nhiên thí điểm× | |
|---|---|---|
| Lĩnh vực | Thiết kế thí nghiệm | Thiết kế thí nghiệm |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 2000s–2010s (as formalized practice) | 1990s–2000s (methodological formalization) |
| Người khởi xướng≠ | Combination of natural experiment tradition (Dunning, Angrist, Pischke) and pilot study methodology | Formalized through clinical trials methodology community |
| Loại≠ | Quasi-experimental feasibility design | Experimental feasibility design |
| Công trình gốc≠ | Dunning, T. (2012). Natural Experiments in the Social Sciences: A Design-Based Approach. Cambridge University Press. ISBN: 9781107017412 | Thabane, L., Ma, J., Chu, R., Cheng, J., Ismaila, A., Rios, L. P., ... & Goldsmith, C. H. (2010). A tutorial on pilot studies: the what, why and how. BMC Medical Research Methodology, 10(1), 1. DOI ↗ |
| Tên gọi khác | feasibility natural experiment, preliminary natural experiment, pilot quasi-experiment, exploratory natural experiment | pilot RCT, feasibility RCT, pilot trial, preliminary RCT |
| Liên quan≠ | 4 | 5 |
| Tóm tắt≠ | A pilot natural experiment is a small-scale preliminary study that exploits an existing exogenous event or policy variation to test whether a full natural experiment is viable. It preserves the core logic of natural experiments — using real-world discontinuities to approximate causal inference — while explicitly scoping the work to assess data availability, group comparability, effect detectability, and procedural feasibility before committing resources to a larger study. | A pilot randomized controlled trial (pilot RCT) is a small-scale, fully randomized experiment conducted before a definitive RCT to test the feasibility of study procedures, estimate key parameters such as recruitment rates and effect-size variability, and identify practical barriers. It uses the same randomization, intervention, and measurement protocol as the planned full trial but on a fraction of the target sample. The goal is not to confirm efficacy but to refine and justify the main trial design. |
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