جستجوی مقالات مرتبط با کلیدواژه « Team Performance » در نشریات گروه « تربیت بدنی »

The general purpose of this study was to design and fit the structural pattern of role of coaches' leadership skills impact on the group cohesion and team performance of volleyball and futsal teams in the thirtieth period of female student sports competitions throughout the country. This goal-based research is applied and by nature, it is descriptive-analytical and this research is a survey. The statistical population of the study consisted of all instructors participating in thirty-three courses of female students' sports competitions across the country (300 persons). The statistical sample size was estimated to be 168 according to Cochran formula. To collect data, Kaufman- Scarborough, & Lindquist leadership skills, Karan group cohesion, and Michael West's and team performance questionnaires were used. Data were analyzed by SPSS, Excel and AMOS software. Data were analyzed using Pearson correlation test and structural equation modeling. The results showed, leadership skills on team cohesion, leadership skills on team performance, and team cohesion had a direct and positive impact on team performance. The model parameters all indicate a good fit and confirm the research model. Coaches need to further develop their leadership skills and have the ability to effectively apply any of the technical, cognitive and human skills in the right circumstances. In general, they need to be effective in changing circumstances. Also, Analysis of the structural model fit indices of study indicate that the model has a good fit and it has a high ability to measure the main variable.

The present study aimed to evaluate the quality of psychological skills by adopting some new dimensions and quantities in football. To this aim, 20 matches were recorded from the Iranian Premier League and AFC Champions League, while only those sequences of team behavior leading to a goal, and those in which the attacker team had at least 5 seconds of continuous ball possession were selected for analysis. Based on the results, the behavioral pattern of the attacking and defending teams had a coordinated and predictable trend. In addition, the quantity and dimensions of these patterns were analyzed based on the content of psychological skills. The results indicated that these patterns involved all of the dimensions related to what, when, where, and how in themselves. These dimensions were which widely used in psychological skills and played a significant role in recognizing the importance and sensitivity of psychological skills.

The aim of the study was to analyze the influence of coaching behaviors on self - efficacy and team performance of Iranian women's football players in Pro League . Community samples 200 subjects in the study were selected by considering 22 players per team . For this purpose, Coaching Behavior Questionnaire (CBQ) and Self - Efficacy Scale (ESES) were used for the study . To evaluate the performance of women's football team , their place in the table was considered . Reliability of the research toolis obtained using Cronbach alpha (0.75 for coaching behavior, 0.82 for self-efficacy) . In order to analyze the data, descriptive statistics and inferential statistics Confirmatory factor analysis CFA for data collection , SEM structural equation modelin ” Amos ” to test the research model and also hypothesis testing) were used . The results showed that spontaneous coaching behavior and positive Reactive coaching behavior have a significant positive effect on self - efficacy and negative Reactive coaching behavior had a significant negative impact on self - efficacy . The results showed a positive and significant impact of self - efficacy of players on team performance . spontaneous coaching behavior and positive reactive coaching behavior had a significant positive impact on performance , but the negative reactive coaching behavior had a significant negative impact on performance .

The aim of this study is to investigate the effect of coaching behaviors on team cohesion and performance of Iranian Women’s Football League players in 1394-1395 (Persian calendar).The research method is descriptive correlational and data collection method is a field method. Statistical population with statistical sample included 176 soccer players in the form of 8 teams. To collect data, Martin & Barnes Coaching Behavior Questionnaire (1999) and Carron et al. Team Cohesion Questionnaire (1985) were used. To measuring performance of women’s football teams, their rank in the table was used as criterion. Instruments reliability was obtained using Cronbach's alpha test (coaching behavior: 0.75, cohesion: 0.83). Research tool validity was confirmed using expert ideas and confirmatory factor analysis in AMOS software. Descriptive statistics (Central tendency, dispersion) and inferential statistics (Structural Equation Modeling-AMOS software) were used for data analysis. The results showed that positive reactive coaching behaviors had significant effect on coherence and team performance; normal coaching behavior had a significant effect on cohesion and no significant effect on team performance and negative reactive coaching behavior had positive significant effect on the team performance and negative significant impact on cohesion. Overall, it is recommended that authorities of the clubs and teams use communicative model of coaching behavior on team cohesion and performance.

The aim of this study was to determine the role of social responsibility on the team's performance of Persepolis Club with the mediating of fans' satisfaction. The research method is descriptive and type of correlation with structural equation approach. The statistical population of all fans of Persepolis Club and sample size was 395 according to Morgan table. For collecting research data was used from a questionnaire Galbraith's (2010) social responsibility, Oliver's (1993) satisfaction, and a questionnaire from Glenn (2003), Hosseini (1395), Cooper and Suter (2011) were used to measure team performance. The content validity and formality of the questionnaires were confirmed by 10 sports management professors, structural validity through convergent and divergent validity and reliability using Cronbach's alpha and combined reliability. To analyze the data, descriptive and inferential statistics were used with structural equation modeling (SEM) approach. The results were analyzed using SPSS 22 and Smart PLS 3 software. Findings from the research report the direct and positive effects of social responsibility on team performance and fans' satisfaction, as well as the direct and positive effects of satisfaction on team performance. In addition, the minor role of mediator of satisfaction in relation to social responsibility and team performance was confirmed. It is suggested that the Managers, coaches and players of Persepolis Club, with their social responsibility, in the four dimensions of economic, ethical, legal and humanitarian, increase the satisfaction and club team performance from fans' perspective.

The purpose of present study was the examination of the shock effect of managerial change on team performance in Iran pro league and five selected European leagues. The research method of study was causal-comparative. The population of study were all 340 teams present in Iran pro league and Selected Leagues in seasons (2008-09, 2009-10, 2010-11) and the sample of study were 133 teams that had changed their coach during competition season. For analysis of data, statistical method of independent sample t-test was used. The results of independent sample t-test showed that managerial change on teams performance in Iran pro league and selected leagues had the shock effect. Overall, it can be concluded that managerial change improves the team performance in the short term during the season. To the clubs managers suggests that with have a strategic plan do necessary change to improve the resulting of the team, so that the team not only obtain short term expected results but also be successful in long term.

The purpose of this study was to investigate the relationship of coaches’ servant leadership style with coach trust and perceived sport performance among collegiate sport teams. This research is descriptive- correlational type. The population of that consisted of all players of boy and girl collegiate sport teams (N= 300) that participated in sport region 3 college, out of which 220 athletes completed and returned the questionnaires, That analyzed as study sample. In order to data gathering used Servant Leadership Style (Hammermeister, et al., 2008), trust in coach (Zhang, 2004) and perceived team performance (Glenn, 2003) scales. To determine the content questionnaires validity was used of comments 10 professors in the field. Their reliability using Cronbach's alpha, have been reported respectively 0.94, 0.86 and 0.93. To analyze the data were used of Pearson correlation and path analysis. Findings indicated that among subscales of servant leadership, Service has direct, positive and significant effect on coach trust and perceived sport performance. Endogenous Variables’ R-Square indicated that respectively 74% and 23% of the variance of coach trust and sport performance is explained by exogenous variables. Finally, all model indexes were favorable. The results show that athletes with coaches servant leadership style, show higher levels of confidence in the coach. Also this leadership style can improve athletic performance.

The purpose of this study was to investigate the relationship among servant leadership, team effectiveness, and team performance of the Iranian men's volleyball pro-league teams. Descriptive co-relational used as a research design. The statistical sample included players (n=173) and assistant coaches (n=66) from 15 teams. The data collected were gathered using two instruments: (a) The Organizational Leadership Assessment for Sports Teams that adjusted by researcher from The Organizational Leadership Assessment (Laub, 1999), (b) Team Excellence Survey (Larson & LaFasto, 1989). By conducting a confirmatory factor analysis (CFA), all agent factors of two instruments were identified. Pearson, and Spearman correlation, t-test, simple, and multiple regressions were used for data analyzing. The results showed that player's perceptions of servant leadership were moderate and assistant coache's perceptions of servant leadership were excellent. There was a statistically significant and positive correlation among servant leadership, team effectiveness, and team performance. In addition, servant leadership was a significant predictor for team effectiveness and team performance. The results of this study supported the application of servant leadership in professional sports.

This research aims to determination effect of changing coach on team’s performance in the Iran’s Football Pro-League during season. The method applied in this research is causal-comparative. The participants in this research were all the 54 teams in Iran’s pro league during three seasons (2008-09, 2009-10, 2010-11) and 30 teams which changed coaches were chosen as a sample. Variance analysis results showed that changing coach had no effect on team’s performance in none of 1, 2, 4, 8, 10, 12, 16, 18, 20 games before and after changing coach (p<0.05). Changing coach in short term had a few effect, and had no effect in long term on team performance (p<0.05). It seems that changing coach is not the only option to improve team’s performance. Other elements like player’s motivation, on time salary reception, rewards, player’s quality, referee’s quality and etc. can affect team’s performance.

The aim of the present research was to compare the performance evaluation indicators of club coaches from experts، athletes and coaches'' viewpoints. The statistical population included all physical education experts of Guilan province، heads، deputy heads and secretaries of physical education boards، athletes and coaches from Rasht city (n=470) and 345 subjects (73. 4%) participated in the research. The questionnaire designed by Mclean and Zakrajsek (1996) which included 56 items and 6 dimensions was used to collect data and the content and face validity was confirmed by 20 university experts and the internal consistency of was calculated by Cronbach''s alpha (α=0. 75). Exploratory factor analysis with varimax rotation and non-parametric Kruskal-Wallis test were used to analyze data. Factor analysis result showed that coaches'' performance evaluation indicators could be divided into 8 factors with eigenvalue>1: task and technical behaviors، athletes’ growth and instruction، coaches’ personal performance، public relations، fanatical affairs، team performance، team maintenance and team recognition and management. Also، from the participants’ viewpoints، task and technical behaviors (4. 57±0. 39)، athletes’ growth and instruction (4. 48±0. 42) and coaches’ personal and technical performance (4. 44±1. 27) were the most important evaluation dimensions of coaches’ performance. In addition، the priority of task and technical behaviors، athletes'' growth and instruction and public relations among the three groups (athletes، coaches and experts) was significant (P≤0. 05). Generally، organizations and sport coaches can use all these indicators to evaluate coaches.

The purpose of this study was to determine the relationships between Coaching leadership behavior, group cohesion, and performance of Iranian women's prologue volleyball teams. In this correlational study, 76 female volleyball players (age 24.96±4.26 yrs, athletic experience 9.71±4.74 yrs, and membership experience in professional teams 6.55±3.73 yrs) from prologue teams in 2009 completed individual characteristics questionnaire, Leadership Scale in Sport (LSS; Chelladurai & Saleh, 1980), and Group Environment Questionnaire (GEQ; Carron et al., 1985). Data were analyzed using Pearson correlation coefficient and multivariate linear regression model at the 0.05 significant levels. Results showed that total level of group cohesion is significantly related to training and instruction, democratic behavior, autocratic behavior, social support, and positive feedback, and total level of leadership behavior (p≤0.05). Also, performance of women's prologue volleyball teams is significantly related to training and instruction, democratic behavior, autocratic behavior, social support, and positive feedback, total level of leadership behavior, task cohesion, social cohesion, and total level of group cohesion (p≤0.05). Results of regression analysis showed that democratic and autocratic behavior have significant contribution in prediction of task cohesion (56%), social cohesion (63%), and total level of group cohesion (73%), however, positive feedback also was significant predictor for social cohesion in women's prologue volleyball teams (p≤0.05). About team performance, regression analysis showed when the both of leadership behavior and group dimensions are entered together to the analysis, only leadership behavior included training and instruction, social support, and positive feedback can predict team performance (p≤0.05). Findings of this study confirm the importance of coaching leadership behavior in prediction of group cohesion and team performance.

The purpose of the present study was survey has examined the effect of two individual psychological variables include self-confidence and motivation of players, and two social psychological variables include team cohesion and collective efficacy on performance of student's volleyball teams.

Players from 10 teams (n=120) that participated in volleyball competitions of AZAD university's (region 10) completed the 4 questionnaires comprised group environment questionnaire (Carron et al, 1985), Collective efficacy (Feltz & Lirgg, 1998), trait sport-confidence inventory (Villay, 1986), and Intrinsic motivation questionnaire (McAuley, 1986). Data were analyzed with Pearson correlation coefficient, one way ANOVA and Tukey Post hoc test. For evaluation of team performance, the schedule of competition in end of competitions was divided to three parts. The first four teams were considered as successful teams, the second three ones were considered as less successful teams, and the third three ones were considered as unsuccessful teams.

Results showed that athletes from successful teams rated high in self-confidence and collective efficacy than less successful and unsuccessful teams. There is no significant difference between athletes self-confidence of less successful teams than unsuccessful teams. Also, findings revealed that there were no significant differences between athlete's intrinsic motivation and cohesion level of successful, less successful and unsuccessful teams. At last result showed there is positive and significant correlation between collective efficacy with players Confidence (r=0.41) and players intrinsic motivation with team cohesion (r=0.41).

Overall, findings supported the effect of some of individual characteristic and team dynamics on team performance and success.