Literaturnachweis - Detailanzeige
| Autor/in | Wilcox, Rand R. |
|---|---|
| Titel | Comparing Medians: An Overview Plus New Results on Dealing with Heavy-Tailed Distributions |
| Quelle | In: Journal of Experimental Education, 73 (2005) 3, S.249 (15 Seiten)Infoseite zur Zeitschrift |
| Sprache | englisch |
| Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
| ISSN | 0022-0973 |
| Schlagwörter | Statistical Analysis; Robustness (Statistics) |
| Abstract | The author provides a review of methods for comparing medians, with an emphasis on comparing two groups. A fairly broad perspective is provided with a summary of the relative merits associated with different strategies. Included as a special case are well-known rank-based techniques. In addition, the author reports new results on comparing the medians of independent groups when sample sizes are small. A concern about virtually all methods for comparing measures of location is that the actual Type I error probability can be well below the nominal level when sampling from heavy-tailed distributions and simultaneously sample sizes are small. This has practical implications about power. Methods are described that correct this problem. (Author). |
| Anmerkungen | Heldref Publications, Helen Dwight Reid Educational Foundation, 1319 Eighteenth Street, NW, Washington, DC 20036-1802. Web site: http://www.heldref.org. |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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