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】运用Ｒ－型因子分析法研究影响体育院系游泳普修课学生掌握和提高蛙泳技术的主要因素，探索构成学生掌握和提高蛙泳技术的主因子结构，依据有关学科理论定量分析各主因子对掌握和提高蛙泳技术的影响程度及作用，结果表明：弹跳力与记忆综合特征因子、柔韧与动感综合特征因子分别是主因子结构中第一、第二主因子，它们对蛙泳技术的学习影响及作用相对较大。通过对这两个主因子中的高载荷因子的逐步回归计算，建立了蛙泳技术教学的数学模型，制定出学生身体素质、认知心理能力的评价等极标准，从而为控制教学过程和提高教学效果提供了参考信息和理论依据
】 Using R-factor analysis to study the main factors that affect the students of the general swimming course in physical education department to master and improve the breaststroke technique, explore the main factor structure that constitutes the students to master and improve the breaststroke technique, and quantitatively analyze the main factor pairs according to relevant discipline theory The results show that the comprehensive characteristics of jumping force and memory, the comprehensive characteristics of flexibility and movement are the first and second main factors in the main factor structure, respectively, and their learning effects on breaststroke technique are also discussed. The role is relatively large. Through the stepwise regression calculation of the high load factor among the two main factors, the mathematic model of breaststroke technique teaching is established, the standard of students’ physical quality and the evaluation of cognitive psychology are established, so as to control the teaching process and improve the teaching The results provide reference information and theoretical basis