A Study On The Construction And Evaluation Of The Primary Selection Index System For Badminton Players Aged 8-12 In Qingdao

The scientific selection of athletes is an important part of competitive sports.The quality of athletes determines the effect of sports training.The effect of sports training determines the chance of winning a competitive game.According to the competitive ability of badminton project demand,relying on advanced scientific methods,it is the top priority of competitive sports to select athletes who meet the characteristics of badminton programs among young people.The existing research methods for badminton players are single,the selection index system is incomplete,the lack of dynamics and the combination of breeding and other issues are more prominent,and it is urgent to supplement,update and improve the existing material selection standards.Purposes:Through the literature data method,expert interview method,questionnaire survey method and mathematical statistics method,the sub-capabilities of badminton players in each competitive ability structure are scientifically and systematically screened and perfected,and the index system of Qingdao 8-12 year old badminton players is established.Methods:Through the literature data method,expert interview method,questionnaire survey method and mathematical statistics method,the sub-capabilities of badminton players in each competitive ability structure are scientifically and systematically screened and perfected,and the index system of Qingdao 8-12 year old badminton players is established.Results:1.Summarize the above research process and results,use literature,expert interviews,seminars,Delphi method to carry out multi-level screening of many indicators of badminton players in the primary and preferred stages,and change the original indicators to obtain a single approach,the indicator system Relatively incomplete.2.Using the principle of measurement and evaluation,using the percentile method,the deviation method and the regression analysis method to statistically process the measured data of all subjects,and formulate the badminton primary and preferred athletes' body shape and body function.Sports quality,psychology and coaches evaluate the evaluation criteria of five primary indicators and multiple secondary indicators.Changed the original standard statistical method to a single,the level of the indicators three levels are not reasonable and so on.3.Through the expert consultation,the analysis of the basic theory of special training and the principal component analysis method,the weights of the structural elements of different levels of athletes are divided,which are shown in the selection criteria.The relative importance of different indicators is in the selection of badminton.It is reflected and improves the scientific nature of the original standard selection.4.Perform a back-test on the test results of the subjects according to established criteria.Through examination,the selection criteria of badminton players are scientific,effective,objective and feasible,and can accurately reflect the difference in sports level of badminton players.5.The selection of badminton sports is a standard study.It is more conducive to the practical application of the selection of grassroots badminton players than the original material selection criteria.It is relatively more favorable for the grassroots to accept.6.Inadequacies: The lack of material selection and lack of longitudinal tracking in the selection of existing badminton players is still lacking in psychology,sociology and skill indicators in the selection of badminton players.Conclusion:This research scientifically constructed the index system for the selection of 8-12 year old badminton players in Qingdao.After the return inspection,the evaluation system can reflect the athlete's actual competitive potential,which is relatively scientific and objective.Hope to provide reference for the selection of young badminton players in our province and other cities.