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Robustez y potencia de algunas pruebas no paramétricas para el efecto interactivo

 

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Título alternativo: Robustness and power of some nonparametric tests for interaction
Author: Trigo Sánchez, María Eva
López Ruiz, José
Department: Universidad de Sevilla. Departamento de Psicología Experimental
Date: 2000
Published in: Metodología de las Ciencias del Comportamiento, 2 (1), 85-103
Document type: Article
Abstract: Se realizó un estudio de simulación Monte Carlo para analizar el comportamiento relativo de la F del AVAR paramétrico convencional frente a diversas pruebas estadísticas no paramétricas del efecto de interacción entre dos variables. En un diseño bal...
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A Monte Carlo simulation study was carried out in to analyze relative performance of the conventional parametric F test and different nonparametric tests for fist-order interaction effect. The variance homogeneity assumption, the interaction effect size, and the main effect size of on variable were manipulated in a balanced factorial 2x2 design under population normality conditions. Some of the nonparametric tests show clear undesirable properties related to type I error rate control, even when the variance homogeneity condition holds. Some other ones depend on the main effect size, decreasing their power as a function of the effect size increasing. Among the remaining procedures, the parametric F tests shows the highest power under homogeneity of variances, but other nonparametric alternatives had better performances than the F test under violation of that assumption.
Cite: Trigo Sánchez, M.E. y López Ruiz, J. (2000). Robustez y potencia de algunas pruebas no paramétricas para el efecto interactivo. Metodología de las Ciencias del Comportamiento, 2 (1), 85-103.
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URI: http://hdl.handle.net/11441/30749

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