In this study, we examined the relationships between intrinsic motivation, physical self-concept, and satisfaction with life using cross-lagged panel models analysed via structural equation models. The sample consisted of 293 participants (148 men, 145 women) aged 18-70 years who performed diverse types of physical exercise. Three alternative models were tested. The data were better represented by a model in which physical self-concept mediates the relationships between intrinsic motivation and satisfaction with life. Specifically, the direct effects of intrinsic motivation on physical self-concept, and of physical self-concept on satisfaction with life were significant, with the amount of explained variance increasing over time. In conclusion, people who perform physical exercise regularly, and who have fun over time will tend to have a better physical self-perception and, consequently, more psychological well-being.
The aim of the present research was to translate and to analyze the psychometric properties of the Spanish version of the Satisfaction of Psychological Needs Scale, using a sample of 284 athletes (204 male and 78 female). Results of the confirmatory factor analysis confirmed the correlated three-factor structure of the scale. Furthermore, the results showed evidence of convergence validity with the Basic Psychological Needs in Exercise Scale. The predictive validity was tested using a structural equation model in which task orientation climate predicted the three basic psychological needs and these, in turn, intrinsic motivation. Likewise, we documented evidence of reliability, analyzed as internal consistency and temporal stability. Results partially support the use of the Spanish version of the scale in sports.El propósito de esta investigación fue traducir y analizar las propiedades psicométricas de la versión española de la Échelle de Satisfaction des Besoins Psychologiques en una muestra de 284 deportistas (204 hombres y 78 mujeres). Los resultados del análisis factorial confirmatorio confirmaron la estructura de tres factores correlacionados de la escala. Asimismo, se obtuvieron resultados que evidenciaron validez convergente con el Basic Psycological Needs in Exercise Scale y validez predictiva mediante un análisis de ecuaciones estructurales en el que el clima tarea predecía las tres necesidades psicológicas básicas y éstas, a su vez, la motivación intrínseca. Asimismo, se documentan evidencias de fiabilidad, analizada como consistencia interna y estabilidad temporal. Los resultados apoyan preliminarmente el uso de la versión española en el contexto deportivo.Palabras clave: necesidades psicológicas básicas, autodeterminación, propiedades psicométricas, deporte.
El objetivo de este estudio fue traducir y analizar las propiedades psicométricas de la versión española de la Échelle des Perceptions du Soutien à l’Autonomie en Sport en una muestra de 326 deportistas (248 hombres y 78 mujeres). Los resultados del análisis factorial confirmatorio apoyaron la estructura unifactorial de la escala. Asimismo mediante un análisis de ecuaciones estructurales se obtuvieron resultados que muestran evidencias de validez predictiva, en el que la percepción del apoyo a la autonomía predice de manera positiva la percepción de autonomía y la percepción de competencia y éstas, a su vez, predicen la motivación intrínseca, que muestra un efecto positivo sobre las emociones positivas durante la práctica deportiva. Asimismo, se muestran evidencias de fiabilidad a través del análisis de la consistencia interna y la estabilidad temporal. Los resultados apoyan preliminarmente el uso de la versión española en el contexto deportivo.
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