Publication: Confidence interval for difference between coefficients of content validity (Aiken’s V): A SPSS syntax
Authors
Merino-Soto, César
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Publisher
Universidad de Murcia
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DOI
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info:eu-repo/semantics/article
Description
Abstract
El análisis de la validez de contenido usualmente incluye medi-
das para cuantificar sumariamente las calificaciones de jueces expertos. Sin
embargo, las diferencias entre grupos de jueces no han sido previamente
planteadas, y es plausible que estas diferencias ocurran. El presente manus-
crito plantea la comparación entre-grupos del coeficiente V (Aiken, 1980),
como una estrategia que debe ser implementada en el análisis de la validez
de contenido. Se presenta un método basado en la construcción de interva-
los de confianza para la diferencia entre coeficientes V, para dos grupos in-
dependientes. Finalmente, también se incluye un programa en sintaxis SPSS
de libre distribución para su implementación.
Analysis of content validity usually includes measures to summa- rize the ratings of expert judges. However, differences between groups of judges have not been previously raised, and it is plausible that these differ- ences occur. The present manuscript raises the comparison between- groups of the coefficient V (Aiken, 1980), as a strategy that must be im- plemented in the analysis of the content validity. We present a method based on the construction of confidence intervals for the difference be- tween coefficients V, for two independent groups. Finally, a free SPSS syn- tax is also included.
Analysis of content validity usually includes measures to summa- rize the ratings of expert judges. However, differences between groups of judges have not been previously raised, and it is plausible that these differ- ences occur. The present manuscript raises the comparison between- groups of the coefficient V (Aiken, 1980), as a strategy that must be im- plemented in the analysis of the content validity. We present a method based on the construction of confidence intervals for the difference be- tween coefficients V, for two independent groups. Finally, a free SPSS syn- tax is also included.
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