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- Title
Generalización del enfoque Brown-Forsythe a diseños factoriales.
- Authors
Seco, Guillermo Vallejo; García, María Paula Fernández; Rojas, Pablo Esteban Livacic
- Abstract
The current paper proposes a solution that generalizes ideas of Brown and Forsythe to the problem of comparing hypotheses in two-way classification designs with heteroscedastic error structure. Unlike the standard analysis of variance, the proposed approach does not require the homogeneity assumption. A comprehensive simulation study, in which sample size of the cells, relationship between the cell sizes and unequal variance, degree of variance heterogeneity, and population distribution shape were systematically manipulated, shows that the proposed approximation was generally robust when normality and heterogeneity were jointly violated.
- Subjects
REGRESSION analysis; STATISTICAL correlation; PROBABILITY theory; MATHEMATICAL statistics; DISCRIMINANT analysis
- Publication
Psicothema, 2008, Vol 20, Issue 4, p969
- ISSN
0214-9915
- Publication type
Article