This paper examines the direct and indirect effects of sports participation on perceived health. It is based on a representative sample of middle adolescents aged 15–18 (N=1038, M age=16.31, s.d.=0.92; 510 boys and 528 girls) from the Valencian Community (Spain). This study used two different models; Model A is an adaptation of Thorlindsson, Vilhjalmsson and Valgeirsson's (Social Science and Medicine 31 (1990) 551) model which introduces smoking, alcohol use, feelings of anxiety, feelings of depression and psychophysiological symptoms as mediator variables; Model B is an extension of Model A with perceived physical fitness as an added mediator variable. Both models show a good fit to the data. Results showed that, in both models, sports participation affected perceived health directly and indirectly by decreasing smoking and alcohol consumption, feelings of depression and psychophysiological symptoms. In Model B, sport also affected perceived health via increased perceived physical fitness explaining almost 10% more of the variance.

Based on the self-determination theory, this study examines the relationship between students’ perceptions of their teachers’ teaching styles, satisfaction of the need for competence, and procrastination behaviours in university students. The sample was composed of 675 university students (442 men, 279 women; 4 did not indicate gender, Mage = 19.81 ± 2.26 years old), who completed the questionnaires assessing the variables of interest. The perception of an autonomy-supportive teaching style was positively associated with the satisfaction of the need for competence, in contrast to the perception of a controlling style. Satisfaction of the need for competence was also negatively related to procrastination behaviours. Likewise, the perception of a controlling teaching style was indirectly and positively associated—through competence need satisfaction—with procrastination; in addition, the perception of an autonomy supportive teaching style was negatively associated with procrastination. The model tested defends the importance of perceiving a high autonomy-supportive teaching style and a low controlling teaching style to avoid procrastination behaviours, with these relationships being mediated by the satisfaction of the student’s need for competence.

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Tomando como base la conceptualización jerárquica y multidimensional del clima motivacional, propuesto por Duda (2013), el objetivo de este estudio fue poner a prueba el papel moderador de la motivación autónoma en la relación entre la percepción del clima empowering creado por el entrenador y la diversión en la práctica deportiva en pitchers de béisbol. Participaron 97 pitchers Mexicanos (Medad = 14.12, DT = 1.09) pertenecientes a 39 equipos de 10 Ligas de Hermosillo, Sonora, México. Las variables psicológicas fueron evaluadas con las versiones adaptadas al contexto mexicano del Cuestionario de Clima Motivacional Empowering y Disempowering creado por el entrenador (EDMCQ-C), la Escala de Motivación en el Deporte (SMS-II), y la escala de Satisfacción Intrínseca en el Deporte (SSI). Los resultados del modelo de regresión de moderación rodados con PROCESS indicaron que: la motivación autónoma modera la relación entre el clima empowering y la diversión (B = -.15, p < .05), concretamente, para valores altos de motivación autónoma la relación entre clima empowering y diversión fue nula, pasando a ser esta relación positiva y significativa para valores de motivación autónoma inferiores a 2.05. En conclusión, la motivación autónoma modera la relación entre la percepción del clima empowering creado por el entrenador y la diversión en la práctica de pitchers de béisbol. Based on the hierarchical and multidimensional conceptualization of Duda (2013) of the motivational climate, the objective of this study was to test the moderating role of autonomous motivation in the relationship between the perception of the empowering climate created by the coach and the enjoyment in the practice by baseball pitchers. Participants were ninety-seven Mexican pitchers (Mage = 14.12, SD = 1.09) belonging to 39 teams from 10 Leagues in Hermosillo, Sonora, Mexico. The psychological variables were measured with the adapted to the Mexican context versions of the Empowering and Disempowering Motivational Climate Questionnaire-Coach (EDMCQ-C), the Sport Motivation Scale (SMS-II), and the Sport Satisfaction Instrument (SSI). The results of the moderated regression model with PROCESS indicated that: autonomous motivation moderates the relationship between the empowering climate and enjoyment (B = -.15, p <.05), specifically, for high values of autonomous motivation the relationship between climate empowering and fun was null, becoming this positive and significant relationship for values of autonomous motivation lower than 2.05. In conclusion, the autonomous motivation moderates the relationship between the empowering climate perception created by the coach and the enjoyment in the practice of baseball pitchers.

Self-efficacy in sport has been the purpose of study in different modalities, among them the volleyball. The aim of the study was to verify by means of a systematic review what has been evaluated volleyball self-efficacy. The databases APA, Bireme, Eric, Science Direct, Pubmed and Scopus were used to carry out the searches. After the research, the articles were selected, using the inclusion and exclusion criteria, resulting in 7 articles by the theme. The result points a absence of clarity in the instruments for assessing self-efficacy in volleyball with respect to what they intend to measure in relation to technical, tactical, physical or psychological attributes. In addition, few articles have pointed the psychometric properties of the instruments used in the research, which implies, in practical terms, inaccurate results, hindering the reproducibility of the studies. Therefore, it is suggested that specific instruments for the modality should be developed which present the statistical procedures used in order to obtain reliable results. Self-efficacy in sport has been the purpose of study in different modalities, among them the volleyball. The aim of the study was to verify by means of a systematic review what has been evaluated volleyball self-efficacy. The databases APA, Bireme, Eric, Science Direct, Pubmed and Scopus were used to carry out the searches. After the research, the articles were selected, using the inclusion and exclusion criteria, resulting in 7 articles by the theme. The result points a absence of clarity in the instruments for assessing self-efficacy in volleyball with respect to what they intend to measure in relation to technical, tactical, physical or psychological attributes. In addition, few articles have pointed the psychometric properties of the instruments used in the research, which implies, in practical terms, inaccurate results, hindering the reproducibility of the studies. Therefore, it is suggested that specific instruments for the modality should be developed which present the statistical procedures used in order to obtain reliable results.