aim and background: this study seeks the effect of teaching problem solving on self-efficacy and perceived self-efficacy in adolescents.   methods and materials: in this quasi-experimental study using three group with pre-test and post-test, on hundred sixty students were randomly selected via multi-stage sampling, and were divided into 64 students of experimental group and 62 students of place...

Background: Regular physical activity is ranked as a leading health indicator. Despite the extensive benefits of physical activity, elder people are much less active than desired. Using Theory of Planned Behavior (TPB) and the self-efficacy construct, this study examined the prediction of physical activity intention and behavior in a sample of elderly male resident of a nursing home. Me...

background: lifestyle-modification programs including physical activity are essential for both treatment and prevention of type 2 diabetes mellitus ( t2dm ). however, factors associated with physical activity among patients are poorly understood. this study applied social-cognitive theory (sct) for predicting determinants of physical activity among women with t2dm in iran, 2013. methods: in thi...

This 2-year prospective study examined the exercise and self-esteem model in middle-aged women (N = 143) previously enrolled in a randomized controlled exercise trial. Across the 2-year period, increases in physical activity (PA) and self-efficacy and reductions in body mass index (BMI) were associated with improved subdomain self-perceptions relative to physical condition, and reductions in BM...

Purpose: Overweight or obese children and adolescents face a lack of confidence in their physical abilities, and show poorer motor and fitness performances, compared to healthy weight peers. Therefore, the present study aimed to investigate the relationship between physical self-efficacy and VO2 max in healthy weight versus overweight female adolescents. Methods: This was a cross-sectional cor...