Efficacy of the Volleyball Game Actions Related to the Quality of Opposition
نویسندگان
چکیده
Game analysis has an important role on the description of ‘what happens’ in competitions and should reach the ability to suggest new ways to enhance sport performances. In order to accomplish this goal is important that possible factors enables to influence these performances were considered. Quality of opposition is one of these factors. In this study, TwoStep Clusters analysis was used to classify group teams participated in FIVB Men’s World Cup 2007 into competitive levels. The results show three different competitive levels ([1 st 4 th ], [5 th 7 th ], and [8 th 12 th ]). Chi-square tests were used to show the influence of quality of opposition, i.e. games against teams of different competitive levels, in the efficacy of some game actions (serve, attack and block). Results showed that the quality of the opposition influence the performance in some game actions.
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