Abstract
This study uses the Rasch rating scale analysis within the framework of the social cognitive theory to examine four psychometric properties of the Arabic version of the Physical Activity Self-efficacy Scale for Adolescents (PASESA-Av): 1) item technical quality to evidence content validity; 2) unidimensionality structure to evidence structural validity; 3) rating scale functioning to evidence substantive validity; and 4) person and item separation and reliability. The analyses showed that the PASESA-Av items represented the physical activity self-efficacy trait adequately. The PASESA-Av demonstrated good fit to the Rasch model and formed a unidimensional structure. The PASESA-Av response categories advanced monotonically. The PASESA-Av demonstrated satisfactory person and item separation and reliability.
Highlights
Physical activity rates for adolescents are insufficient for health benefits and the inactivity-related diseases such as obesity are on the rise in many countries (World Health Organization, 2014)
A confirmatory factor analysis of responses from 190 adolescents aged between 11 - 13 years in the western territory of Pakistan showed that a single-factor structure of the Pakistani (Urdu) version of the Physical Activity Self-Efficacy Scale for Adolescents (PASESA) achieved a modest fit to the data
The aim of this study is to examine the psychometric properties of the PASESA-Av within an Omani context using the Rasch rating scale model
Summary
Physical activity rates for adolescents are insufficient for health benefits and the inactivity-related diseases such as obesity are on the rise in many countries (World Health Organization, 2014). Rasch Rating Scale Analysis of the Arabic Version of the Physical Activity Self-Efficacy Scale for Adolescents: A Social Cognitive Perspective. To better understand the patterns of activity and inactivity among adolescents, numerous psychological factors must be considered. One of these factors is physical activity self-efficacy. Beliefs in one’s self-efficacy are not just based on a simple knowledge of one’s level of ability Those self-beliefs go beyond actual capability, being “instrumental in determining what individuals do with the knowledge and skills they have” Someone high in selfefficacy might do better because that person approached a task with a different mindset than does someone low in self-efficacy, even though both people might beat the same level of ability
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