Sports performance depends on a complex interaction of variables, such as psychological, physical, technical and tactical abilities. The purpose of the three studies described in this article was to validate an instrument to measure perceived performance in athletes (studies 1 and 2), and to analyze the predictive power of perceived performance, basic psychological needs and intrinsic motivation on the intention to be physically active (which was used as a predictor of adherence to sport) (study 3). In study 1, the Perceived Performance in Sports Questionnaire was validated in the Spanish sports context, analyzing its factorial structure, reliability, and temporal stability with 146 soccer players. The objective of study 2 was to check the factorial structure of the questionnaire with an objective performance measure (points scored and time played). The sample was 180 young basketball players. The objective of study 3 was to analyze the predictive power of basic psychological needs in exercise, intrinsic motivation, and perceived performance on the intention to be physically active in 339 athletes of fifteen different sports. The results show the reliability and validity of the questionnaire, and positive correlations with the points scored. Finally, the analysis of the structural equation model showed that the satisfaction of the need for competence predicted perceived performance and intrinsic motivation predicted perceived performance and intention to remain physically active.

Para ello, se llevaron a cabo tres estudios con muestras de deportistas federados, de edades entre 12 y 17 años. En el primero, el análisis factorial exploratorio del ASCQ reveló la existencia de dos factores: valoración del comportamiento autónomo e interés en la opinión del deportista. Además, el instrumento mostró una adecuada consistencia interna y estabilidad temporal. En el segundo estudio se confirmó la estructura factorial obtenida en el primero, consiguiendo unos índices de ajuste adecuados. Finalmente, en el tercer estudio se comprobó la invarianza por género y la validez de criterio mediante un análisis de correlación. Se encontró una correlación positiva entre la valoración del comportamiento autónomo y la intención de ser físicamente activo del deportista.

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Resumen: El objetivo principal del estudio fue adaptar y validar el Coaching Behavior Assessment System (CBAS;Smith, Smoll y Hunt, 1977) para evaluar el clima motivacional que transmite el entrenador. La muestra empleada estuvo compuesta por un único monitor de actividad física dirigida, que trabajaba en el Servicio de Deportes de una universidad pública, tenía 27 años y dos años de experiencia. En primer lugar, se realizó un análisis del contenido de la CBAS por expertos, que propusieron la inclusión de nuevos ítems. En segundo lugar, se llevó a cabo el proceso de entrenamiento de cuatro observadores para evaluar con la adaptación creada de la CBAS. A continuación, los cuatro investigadores realizaron seis observaciones sistemáticas al mismo monitor durante diferentes sesiones elegidas al azar y se calculó el índice de concordancia. Los resultados del análisis de la fiabilidad entre los observadores mostraron valores superiores al 90 %, llegando a alcanzar en la última observación el 98,9 %. Se discuten los resultados en base a la importancia de tener una herramienta que nos facilite evaluar el clima motivacional que genera un entrenador a través de la observación sistemática. Palabras claves: motivación, metas de logro, monitor, entrenador, universidad. Abstract: The main objective of the study was to adapt and validate the Coaching Behavior Assessment System (CBAS, Smith, Smoll & Hunt, 1977) to assess the motivational climate that conveys the coach. The sample used consisted of a single monitor physical activity directed, who worked at the Sports of a public university was 27 and two years of experience. First, a content analysis of CBAS experts, who proposed the inclusion of new items was performed. Secondly, held training process four observers to evaluate the adaptation set CBAS. Then, the four researchers performed six systematic observations during different sessions randomly and concordance index was calculated. The results of the analysis of the reliability between observers showed values above 90%, reaching the last observation 98.9%. The results are discussed based on the importance of having a tool that facilitates us to assess the motivational climate that generates a coach through systematic observation. Resumo: O principal objetivo do estudo foi adaptar e validar o Coaching Behavior Assessment System (CBAS, Smith, Smoll e Hunt, 1977) para avaliar o clima motivacional que transmite o treinador. A amostra utilizada consistiu em uma atividade física único monitor dirigido, que trabalhou no Esporte de uma universidade pública foi de 27 e dois anos de experiência.Em primeiro lugar, foi realizada uma análise de conteúdo de especialistas CBAS, que propôs a inclusão de novos itens. Em segundo lugar, realizou processo de formação de quatro observadores para avaliar a adaptação definir CBAS. Em seguida, os quatro pesquisadores realizaram observações sistemáticas durante seis sessões diferentes de forma aleatória e índice de concordância foi calculado. Os resultados da análise da fiabilidade entre observad...

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