The lack of valid tools to measure variables related to healthy behaviors in Mexico has led the authors to adapt and validate the Grit Scale and the Treatment Self-Regulation Questionnaire (TSRQ) for diet into Mexican Spanish, and explore the relationship between grit and types of motivation towards healthy eating as evidence of validity. The Grit Scale and the TSRQ in Spanish were put to 353 adults from the state of Nuevo León, Mexico. The Grit Scale was composed of 12 items distributed into two factors (consistency of interest and perseverance of effort), and the TSRQ for diet was composed of 15 items distributed into three factors (autonomous motivation, controlled motivation, and amotivation). Results showed acceptable fit indices for the long and short versions of the Grit Scale, confirming its two-factor structure. In addition, acceptable fit indices were found for the TSRQ for diet, indicating the presence of three latent factors. Significant and positive relationships were found between grit and autonomous motivation, and negative relationships with controlled and amotivation. The analyses carried out indicated that the instruments administrated are valid and reliable tools for use in Mexico.Resumen La ausencia de instrumentos válidos para medir variables relacionadas con las conductas saludables en México, nos lleva al objetivo de adaptar y validar al idioma español hablado en México la escala Grit y el cuestionario de autorregulación del tratamiento (TSRQ) de la dieta, y explorar la relación entre el Grit y la motivación hacia la alimentación saludable como evidencia de validez. 353 adultos del estado de Nuevo León respondieron a la escala Grit adaptada al español conformada por 12 ítems distribuidos en dos factores (consistencia del interés y perseverancia del esfuerzo) y al TSRQ adaptada al español compuesto por 15 ítems en tres factores (motivación autónoma, motivación controlada y no motivación). Los resultados mostraron índices de ajuste
El objetivo de este estudio fue examinar el efecto de la satisfacción y/o aburrimiento en la clase de EF sobre la importancia que los estudiantes le otorgan a ésta y su relación con la intención de la práctica futura de la AF en el tiempo libre. Participaron 457 estudiantes (46 % chicos y 54% chicas) con edades entre 12 y 17 (M = 14,10; DT = 0,84) de la zona metropolitana de Monterrey. Se utilizaron tres instrumentos:1) Satisfacción Intrínseca en la Educación Física; 2) Importancia y Utilidad de la Educación Física y 3) Intención de Práctica Futura de Actividad Física en el Tiempo Libre (AFTL). El modelo propuesto se probó a través de una modelación de ecuaciones estructurales utilizando el LISREL 8.80. Se encontraron relaciones positivas y significativas de la satisfacción hacia la importancia de la EF (b = ,52, p < ,01), y la importancia de la EF con la intención hacia la práctica futura de la AFTL (b = ,44, p < ,01) y un efecto indirecto significativo de la satisfacción hacia la intención de la práctica futura de la AFTL (b = ,23, p < ,01). Los resultados obtenidos en el presente trabajo demuestran la importancia de diseñar sesiones de EF innovadoras, dinámicas y divertidas ya que, de esta forma, se consigue que los adolescentes valoren y den más importancia a la asignatura de EF, aumentando la probabilidad que desarrollen comportamientos activos en un futuro, o actividades extraescolares que refuercen los beneficios de la actividad física en esta población joven.
On the basis of the spillover or transfer effect and the transtheoretical model of change, this study assessed the association between amount of physical activity, healthy and unhealthy weight control behaviors, and motivational types, as well as their variability across stages of change. A total of 1219 randomly selected Mexican adults from 18 to 65 years old, representative of the city of Monterrey (México), participated in the study. Correlation analyses, differences by gender, and multivariate analyses of variance, controlling for age, were performed. We found that in the maintenance stage, there is higher frequency of physical activity more healthy weight control behaviors, as well as higher autonomous motivation. In the contemplation stage, there is less physical activity, a higher frequency of unhealthy weight control behaviors, higher controlled motivation, and amotivation. Relationships were found between the healthy behaviors studied and the interaction dynamics observed across the stages of change, highlighting the key role of the contemplation and maintenance stages in weight control change. Physical activity as a targeted intervention objective could be a gateway to healthier weight control behavior, as well as higher autonomous motivation.
To date, no instrument adapted and validated that measures engagement and disaffection in the physical education class has been found, which limits the generation of knowledge of this area in Mexico. The aims of this study were to translate and adapt the engagement and disaffection scale to the context of physical education in Mexico and to examine its reliability, structure (two and four factors), and factorial invariance by gender in Mexican fifth- and sixth-grade elementary school students. A total of 1470 students participated (50.6% boys) with ages between 10 and 14 years (mean (M) = 10.56; standard deviation (SD) = 0.77) from federal (89.3%) and state (10.7%) elementary schools. Two factorial structures were tested (with four factors and two factors). The fit indexes of both models were satisfactory, and the factorial saturations were significant. The differences between the fit indexes of both models were irrelevant; therefore, the two-factor model was considered more suitable. The total strict invariance by gender was confirmed, and the reliabilities of the engagement and disaffection scale were acceptable. The Mexican version of the course engagement and disaffection scale in physical education is valid and useful to measure these constructs in the context of physical education in Mexico.
Objective: In order to understand the psychological antecedents or personal factors that lead to weight control behaviours that can help to develop more effective prevention strategies. Design: The present correlational study has a non-experimental, quantitative, cross-sectional design. A model was tested considering types of motivation (autonomous motivation, controlled motivation, and amotivation) as mediators in the relationship between the Grit personality and healthy and unhealthy weight control behaviours, with self-control as a moderator in the aforementioned indirect effects. Setting: Monterrey (Nuevo León, México) Participants: A representative sample of 1219 adults (men = 599; women = 620) aged 18 to 65 years (M = 29.37, SD = 11.83). Results: Findings supported the mediator role of the types of motivation. Specifically, Grit showed a positive indirect effect on healthy weight control behaviours through autonomous motivation. Conversely, Grit showed a negative indirect effect on unhealthy weight control behaviours through autonomous motivation. Furthermore, findings supported the moderator role of self-control in the relationship between amotivation and healthy and unhealthy weight control behaviours. Conclusions: This study provides evidence for the key role of Grit in the adoption of healthy or unhealthy control behaviours, as well as the role of autonomous motivation in the development of healthy behaviours.
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