Literaturnachweis - Detailanzeige
Autor/inn/en | Olejnik, Stephen F.; Algina, James |
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Titel | Parametric ANCOVA and the Rank Transform ANCOVA When the Data Are Conditionally Non-Normal and Hetroscedastic. |
Quelle | In: Journal of Educational Statistics, 9 (1984) 2, S.129-49 |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Analysis of Covariance; Computer Simulation; Hypothesis Testing; Nonparametric Statistics; Power (Statistics); Statistical Distributions; Statistical Significance |
Abstract | Using computer simulation, parametric analysis of covariance (ANCOVA) was compared to ANCOVA with data transformed using ranks, in terms of proportion of Type I errors and statistical power. Results indicated that parametric ANCOVA was robust to violations of either normality or homoscedasticity, but practiced significant power differences favored rank ANCOVA procedures. (Author/BW) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |