Actualidades en Psicología ISSN Impreso: 0258-6444 ISSN electrónico: 2215-3535

OAI: https://www.revistas.ucr.ac.cr/index.php/actualidades/oai
Evidence of validity of the Scholastic Aptitude Test of the University of Costa Rica based on their internal structure
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Keywords

Scholastic Aptitude Test
one-dimensional
reasoning
verbal context
math context
tetrachoric correlation
Confirmatory Factor Analysis
Prueba de Aptitud Académica
unidimensionalidad
razonamiento
contexto verbal
contexto matemático
correlación tetracórica
Análisis Factorial Confirmatorio

How to Cite

Rojas, L. (2014). Evidence of validity of the Scholastic Aptitude Test of the University of Costa Rica based on their internal structure. Actualidades En Psicología, 28(116), 15–26. https://doi.org/10.15517/ap.v28i116.14889

Abstract

The aim of this study is to find validity evidence in the Scholastic Aptitude Test (PAA; Spanish acronym) of the University of Costa Rica (UCR) based on its internal structure. The construct measuring of this test presents two hypotheses for its structure: the one-dimensional and two-dimensional. For both guesses the stated goal was reached. For the one dimensional hypothesis an exploratory factor analysis (EFA) showed that the first factor explained a 23% of the variance of the PAA´s items while the second factor was only able to explain a 2.8%. Then, a confirmatory factor analysis (CFA) showed that this hypothesis is acceptably consistent with data. In terms of the two-dimensional hypothesis, the EFA Promax rotation displayed the association of factors to the suggested dimensions for the construct; in addition, the CFA associated with this hypothesis also showed a good fit. These results provide to the PAA developers team a theoretical support to make the Test´s psychometric analysis based on either position proposed on the structure of the evaluated construct.

https://doi.org/10.15517/ap.v28i116.14889
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