نتایج جستجو برای: athletes with high self

تعداد نتایج: 9998264  

Journal: :Education Quarterly Reviews 2022

The purpose of this research is to investigate the relationship between sports and self-regulation school burnout in high students who are athletes nonathletes. Relational screening method was used research. 387 (188 athletes, 199 non-athletes) participated study. average age participants ± 15.9 years. participating were determined by convenience sampling method. data collected with Personal In...

Journal: :International journal of sport nutrition and exercise metabolism 2012
Ciro José Brito Fernanda Castro Martins Roas A Surian Souza Brito I Carlos Bouzas Marins J Claudio Córdova Emerson Franchini

The aim of this study was to investigate the methods adopted to reduce body mass (BM) in competitive athletes from the grappling (judo, jujitsu) and striking (karate and tae kwon do) combat sports in the state of Minas Gerais, Brazil. An exploratory methodology was employed through descriptive research, using a standardized questionnaire with objective questions self-administered to 580 athlete...

Kiumars Beshlideh Mojtaba Amanollahnejad-Kalkhoran Seyed Mohammad Kazem Vaezmousavi

Background and Aims: Present study aimed to compare the individual psychological antecedents of perceived stress (self-efficacy and self-esteem) among the athlete and non-athlete staff in an industrial company. Methods: Statistical society was all persons employed in the company including managers, supervisors, experts and workers; 192 athletes and 208 non-athletes were selected randomly. Data ...

2015
Soofia Naghdi Noureddin Nakhostin Ansari Hanieh Ashrafi Ebrahim Entezary Amin Nakhostin Ansari Gholamreza Olyaei

BACKGROUND A clinical outcome tool is needed for the assessment of young athletes with low back pain. OBJECTIVES To translate and culturally adapt the Micheli functional scale (MFS), a self-report questionnaire developed to evaluate young athletes with low back pain (LBP) into Persian language and examine the reliability and validity of the Persian MFS (PMFS). MATERIALS AND METHODS A cross-...

Journal: :Journal of sports sciences 2003
Geneviève A Mageau Robert J Vallerand

The aim of this paper is to present a motivational model of the coach-athlete relationship that describes how coaches may influence athletes' motivation. In line with cognitive evaluation theory (Deci and Ryan, 1980, 1985) and the hierarchical model of intrinsic and extrinsic motivation (Vallerand, 1997, 2000), a motivational sequence is proposed where coaches' personal orientation towards coac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

Journal: :Journal of science and medicine in sport 2015
Amelia Gulliver Kathleen M Griffiths Andrew Mackinnon Philip J Batterham Rosanna Stanimirovic

OBJECTIVES Currently, little is known about the prevalence of mental disorders in athletes. This study aims to investigate Australian elite athletes' symptoms of general psychological distress and common mental disorders. DESIGN A cross-sectional survey design was employed to assess self-reported symptom prevalence. METHODS A total of 224 elite athletes (118 female, 106 male) from national ...

Journal: :Journal of sport & exercise psychology 2016
Joëlle Carpentier Geneviève A Mageau

Change-oriented feedback (COF) quality is predictive of between-athletes differences in their sport experience (Carpentier & Mageau, 2013). This study extends these findings by investigating how training-to-training variations in COF quality influence athletes' training experience (within-athlete differences) while controlling for the impact of promotion-oriented feedback (POF). In total, 49 at...

2013
GUANGXIN LI

It usually occurs that in important matches, athletes often play abnormal of their sport technique as they are too concerned about the competition result, and this is called Choking phenomenon. How to explain and control this from the perspective of the present psychology has become a widely discussed hot issue in the field of sports psychology. By research on the occurrence conditions of athle...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 0

a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...

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