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  1 - The Effect of Impulsivity Level on Performance Indicators of Beginner Volleyball Players
  Marjan Hamoun  Navard
  Impulsivity affects cognitive and behavioral aspects. Because in volleyball, the player must decide at the moment and implement its skill, and most of the outcome (outcome) of his performance is functional of his correct decision, his impulsive level can be importan More

  Impulsivity affects cognitive and behavioral aspects. Because in volleyball, the player must decide at the moment and implement its skill, and most of the outcome (outcome) of his performance is functional of his correct decision, his impulsive level can be important. The main purpose of this research was to compare the performance indicators of beginner volleyball players with different impulsivity levels based on Bart (2004). The statistical population of this study was volleyball player girls at Karaj clubs. Among these people were selected by about 300 people. The data gathering tool was Bart's impulsivity questionnaire (2004), Duda and Nicholls Sport Questionnaire (1992) and coach checklist, which measures the indicators of error number and risk of riskaceability. In order to test the hypotheses one- way multivariate analysis of variance (MANOVA) and at a significant level of 0.05 were used with SPSS software. According to the results of this study, there is a significant difference between the high, low and moderate levels in the risk level of players, the number of errors and the sports success of volleyball players. But there was no significant difference between high, low and moderate levels for technical performance of players (1 to 10 questions of instructor checklist including fitness, receiving, pass, defense, reaction time, game intelligence, etc.). In the sports variable, players with high impulsivity players had a significant difference with players with low and moderate impulsivity levels, but there was no significant difference between moderate and low levels in sport success. In variables of risk and number of errors, low impulsivity players had a significant difference with players with high and moderate impulsivity levels, but there was no significant difference between high and moderate levels in riskaceability and error number. Manuscript profile