BACKGROUND An understanding of the contributing factors to be considered when examining how individuals engage in physical activity is important for promoting population-based physical activity. The environment influences long-term effects on population-based health behaviors. Personal variables, such as self-efficacy and social support, can act as mediators of the predictive relationship betwe...

Despite its direct relevance to second/foreign language learning, quality of life has been a neglected area within Second Language Acquisition (SLA) research. The present study sought to investigate the relationship between quality of life factors and speaking skill as one of the most challenging parts of L2 learning. To this end, an adapted version of life quality questionnaire originally devi...

The author proposes a conceptual model to explain the diverse roles of social capital--resources embedded in social networks--in the social production of health. Using a unique national U.S. sample, the author estimated a path analysis model to examine the direct and indirect effects of social capital on psychological distress and its intervening effects on the relationships between other struc...

Despite its direct relevance to second/foreign language learning, quality of life has been a neglected area within Second Language Acquisition (SLA) research. The present study sought to investigate the relationship between quality of life factors and speaking skill as one of the most challenging parts of L2 learning. To this end, an adapted version of life quality questionnaire originally devi...

abstract   background: cosmetic rhinoplasty is now carried out increasingly in an attempt to solve the psychological and social problems of people who are discontent with their nose. little is known about either the psychological status of persons who seek rhinoplasty or potential psychological changes following surgery. the challenge that faces surgeons, is how to identify, before surgical int...