A Factor Analysis of Epps Scales,Ability, and Achievement Measures |
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| Authors: | Paul W Dixon Nobuko K Fukuda Anne E Berens |
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| Institution: | 1. University of Hawaii, Hilo Campus;2. University of Hawaii |
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| Abstract: | Data from 169 high school students were rotated by means of an oblique factor rotation so that from a 27x 27 variance-covariance matrix six factors were obtained. These factors were labeled: intellectual introversion, dependence, superego strength, ego-strength, independent orientation, and verbal aggression. The results suggested that the factors of intellectual introversion, dependence, superego strength, and ego-strength had concurrent validity. It was concluded that a factor analysis of the Edwards Personal Preference Schedule (EPPS), though questionable mathematically due to the fact that the EPPS is an ipsative measure, extracted psychologically relevant dimensions. The findings also suggested that introverted, socially controlled, mathematically apt students were not competing successfully with verbal, high ego-strength students in high school academic work. |
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