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| Thiết kế gián đoạn hồi quy mờ× | Ghép cặp điểm xu hướng× | |
|---|---|---|
| Lĩnh vực≠ | Suy luận nhân quả | Thống kê nghiên cứu |
| Họ≠ | Regression model | Process / pipeline |
| Năm ra đời≠ | 2001 | 1983 |
| Người khởi xướng≠ | Hahn, Todd & van der Klaauw | Paul Rosenbaum and Donald Rubin |
| Loại≠ | Quasi-experimental causal inference | Method |
| Công trình gốc≠ | Hahn, J., Todd, P., & van der Klaauw, W. (2001). Identification and Estimation of Treatment Effects with a Regression-Discontinuity Design. Review of Economic Studies, 68(1), 201-209. DOI ↗ | Rosenbaum, P. R., & Rubin, D. B. (1983). The central role of the propensity score in observational studies for causal effects. Biometrika, 70(1), 41–55. DOI ↗ |
| Tên gọi khác≠ | Fuzzy RD, Fuzzy RDD, Fuzzy RD Design, Imperfect RDD | PSM, propensity score weighting, covariate balance |
| Liên quan≠ | 5 | 3 |
| Tóm tắt≠ | Fuzzy Regression Discontinuity Design (Fuzzy RDD) estimates causal effects when eligibility for a treatment is determined by a threshold on a running variable but actual take-up of that treatment is imperfect — some eligible units do not receive treatment and some ineligible units do. The cutoff acts as an instrument, and the estimand is a Local Average Treatment Effect (LATE) for compliers near the threshold. | Propensity score matching (PSM) is a method for reducing confounding bias in observational studies by balancing baseline characteristics between treatment groups, simulating randomization. Developed by Rosenbaum and Rubin (1983), it estimates the probability of receiving treatment given observed covariates, then matches or weights treated and control individuals with similar treatment probabilities. Widely used in medicine, epidemiology, and policy evaluation when randomized trials are infeasible or unethical, enabling estimation of treatment effects while controlling for selection bias. |
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