مقایسهٔ روشها
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| طرح آزمایشی تکنابین پیشآزمون-پسآزمون× | آزمایش تصادفی کنترلشده (RCT)× | |
|---|---|---|
| حوزه | طراحی آزمایش | طراحی آزمایش |
| خانواده≠ | Process / pipeline | Hypothesis test |
| سال پیدایش≠ | 1963 (systematic codification); blinding in use from early 20th century | 1948 |
| پدیدآور≠ | Campbell & Stanley (codified); blinding practice has earlier roots in clinical research | James Lind (early precursor, 1747); modern formulation: Austin Bradford Hill & Medical Research Council (1948) |
| نوع≠ | Controlled experimental design with partial blinding | Interventional comparative study |
| منبع بنیادین≠ | Campbell, D. T., & Stanley, J. C. (1963). Experimental and Quasi-Experimental Designs for Research. Rand McNally. link ↗ | 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 ↗ |
| نامهای دیگر | single-masked pretest-posttest design, participant-blind pretest-posttest, single-blind before-after design, SB-PP design | RCT, randomised controlled trial, clinical trial, Randomize Kontrollü Çalışma (RCT) Tasarımı |
| مرتبط≠ | 6 | 7 |
| خلاصه≠ | The single-blind pretest-posttest experimental design combines two protective strategies: measuring outcomes both before and after treatment to quantify change, and keeping participants unaware of which condition they are in. This pairing controls for preexisting group differences and expectancy-driven response bias, making it a practical middle ground between fully open-label and double-blind trials in behavioral and health research. | 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). |
| ScholarGateمجموعهداده ↗ |
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