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| تجربة ميدانية مزدوجة التعمية× | التجربة المعشاة ذات الشواهد (RCT)× | |
|---|---|---|
| المجال | التصميم التجريبي | التصميم التجريبي |
| العائلة≠ | Process / pipeline | Hypothesis test |
| سنة النشأة≠ | 1960s onward (field experiment tradition); double-blind controls applied from 1970s in social and policy field trials | 1948 |
| صاحب الطريقة≠ | Fisher, R. A. (randomized field trials); double-blind practice traced to 19th-century clinical research, formalized for field settings by Campbell & Stanley (1963) | James Lind (early precursor, 1747); modern formulation: Austin Bradford Hill & Medical Research Council (1948) |
| النوع≠ | Experimental design | Interventional comparative study |
| المصدر التأسيسي≠ | Gerber, A. S., & Green, D. P. (2012). Field Experiments: Design, Analysis, and Interpretation. W. W. Norton. ISBN: 978-0393979954 | Schulz, K.F., Altman, D.G., Moher, D., for the CONSORT Group (2010). CONSORT 2010 Statement: Updated Guidelines for Reporting Parallel Group Randomised Trials. BMJ, 340, c332. DOI ↗ |
| الأسماء البديلة | double-masked field trial, double-blind naturalistic experiment, blinded field study, DB field experiment | RCT, randomised controlled trial, clinical trial, Randomize Kontrollü Çalışma (RCT) Tasarımı |
| ذات صلة≠ | 5 | 7 |
| الملخص≠ | A double-blind field experiment combines the high external validity of a real-world field setting with double-blind masking, in which neither the participants nor the personnel delivering the treatment know who has been assigned to the treatment or control condition. This design controls simultaneously for participant expectation effects and for experimenter/enumerator demand effects, making it one of the most rigorous tools available for causal inference outside the laboratory. | A randomized controlled trial (RCT) is the gold standard experimental design in clinical and health research, in which participants are randomly allocated to a treatment group or a control group so that the effect of an intervention can be measured with the highest possible degree of internal validity. The modern parallel-group RCT was formalized by Austin Bradford Hill and the Medical Research Council in their landmark streptomycin trial of 1948, and its reporting is governed today by the CONSORT 2010 guidelines (Schulz et al., 2010). |
| ScholarGateمجموعة البيانات ↗ |
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