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| Randomisierte kontrollierte Studie (RCT)× | Unabhängiger t-Test für zwei Stichproben× | |
|---|---|---|
| Fachgebiet≠ | Versuchsplanung | Statistik |
| Familie | Hypothesis test | Hypothesis test |
| Entstehungsjahr≠ | 1948 | 1908 |
| Urheber≠ | James Lind (early precursor, 1747); modern formulation: Austin Bradford Hill & Medical Research Council (1948) | Student (W. S. Gosset) |
| Typ≠ | Interventional comparative study | Parametric mean comparison |
| Wegweisende Quelle≠ | 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 ↗ | Student (1908). The probable error of a mean. Biometrika, 6(1), 1–25. DOI ↗ |
| Aliasnamen | RCT, randomised controlled trial, clinical trial, Randomize Kontrollü Çalışma (RCT) Tasarımı | student t-test, two-sample t-test, unpaired t-test, bağımsız örneklem t-testi |
| Verwandt≠ | 7 | 4 |
| Zusammenfassung≠ | 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). | The independent samples t-test is a parametric hypothesis test that compares the means of two independent groups to decide whether they differ significantly. It builds on the t-distribution introduced by Student (W. S. Gosset) in 1908 and assumes the measured values are continuous, approximately normally distributed, and have equal variances. |
| ScholarGateDatensatz ↗ |
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