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| Sequenzielle Analyse (Gruppensequenzielle Planung)× | Einstichproben-t-Test× | |
|---|---|---|
| Fachgebiet | Statistik | Statistik |
| Familie | Hypothesis test | Hypothesis test |
| Entstehungsjahr≠ | 1977 | 1908 |
| Urheber≠ | P. C. O'Brien & T. R. Fleming; P. C. Pocock | Student (W. S. Gosset) |
| Typ≠ | Sequential / adaptive hypothesis test | Parametric mean comparison |
| Wegweisende Quelle≠ | O'Brien, P.C. & Fleming, T.R. (1979). A Multiple Testing Procedure for Clinical Trials. Biometrics, 35(3), 549–556. DOI ↗ | Student (1908). The probable error of a mean. Biometrika, 6(1), 1–25. DOI ↗ |
| Aliasnamen | sequential testing, group sequential design, interim analysis, Sıralı Analiz (Sequential Testing / Group Sequential Design) | single-sample t-test, one-group t-test, one-sample t, Student one-sample t-test |
| Verwandt≠ | 5 | 3 |
| Zusammenfassung≠ | Sequential analysis is a framework for conducting hypothesis tests with pre-planned interim looks at accumulating data, allowing a study to stop early for efficacy or futility while controlling the overall Type I error rate. The group sequential approach was formalised by Pocock (1977) and O'Brien and Fleming (1979), and remains the standard for confirmatory clinical trials and rigorous A/B experiments. | The one-sample t-test is a parametric hypothesis test that determines whether the mean of a single sample differs significantly from a known or hypothesized population value. Derived from Student's (Gosset's) 1908 t-distribution, it assumes continuous, approximately normally distributed data and is one of the most fundamental tests in applied statistics. |
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