Comparison of Visual Skills of Iranian Professional Volleyball Players with Beginner and Non-Athletic Players
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Abstract
The aim of the present research is to compare the vision skills between Iranian professional
volleyball players with amateur players and non-athletes. Methodology: This study consists 3
statistical population, professional volleyball players, amateur players and non-athletes of
Qazvin city which all participants were male between the ages of 19 to 30. For each group of
the selected population 30 persons were selected as samples of the research. Convenience
sampling was used for selection of professional players and non-random sampling convenience
type was applied for two other groups.
In this research Wilson and Falkel’s sport vision test (2004) was used which measures visual
skills (Focusing, tracking, vergence, sequencing, eye-hand coordination and visualization). In
order to describe the data descriptive statistics and Kolmogorov–Smirnov test for normal
distribution of data were used and to analyze the hypothesis of research (ANOVA) was applied.
All statistical operations were done by the use of SPSS software version 22.
Findings: The outcome of the research shows that among visual skills based on skill level of
the three groups (professional players, amateurs and non-athletes) there is a significant
difference. In addition the present research shows that the score difference between professional
players and amateur and non-athletes are significant and the average score of visual skills of
focusing, tracking, sequencing, eye-hand coordination and visualization of professional players
is higher than two other groups. But in vergence visual skills average score of amateur players
was better than two other groups.
Conclusion: Regarding the obtained results it can be concluded that regular exercises of
professional players cause development and completion of special series of perceptual,
cognitive and dynamic skills.
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