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Revista Latinoamericana de Psicología

Print version ISSN 0120-0534


LEDESMA, Rubén Daniel; MACBETH, Guillermo  and  VALERO-MORA, Pedro. Software para el Cómputo del Coeficiente de Correlación Tetracórico. rev.latinoam.psicol. [online]. 2011, vol.43, n.1, pp.181-189. ISSN 0120-0534.

Despite the growing number of people in Spain who organize their lives to prepare and participate in marathons, being compelled to make many sacrifices, there are no specific studies in Spanish on the reasons that lead them to do so. The purpose of this instrumental paper was to validate in Spanish language and with a Spanish population the Motivations of Marathoners Scales (MOMS). To this end, we conducted two independent studies. The aim of the first was to present the first preliminary psychometric data (pilot sample of 174 marathon runners). Once completed the process of translation, adaptation and content validity of items, we conducted statistical analyses to explore the dimensional structure and determine the reliability of the instrument. The aim of the second study (sample of 975 marathon runners), was to analyze the internal structure of the instrument with confirmatory procedures. The Spanish version of the MOMS showed acceptable levels of internal consistency, temporal stability, and correlations between the subscales, confirming the construct validity. We observed differences based on gender and age. These findings support the use of the Spanish version of the MOMS to assess individual differences in motivation to run.

Keywords : programa estadístico; ViSta; correlación tetracórica; método de aproximación; estimación puntual; estimación por intervalos.

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