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김차용(Cha Yong Kim) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-
The purpose of this study is to estimate a model of professional baseball which is for predicting whether win or lose the game. These were made by collecting baseball records and would were used for team strategy. Baseball teams, therefore, would have more scientific strategies and have better games. The data used for this study were professional baseball game records for 98 year. The statistical methods used for predicting a game were logistic regression analysis and decision tree analysis and major results are as follows. First, in order to analyze effects on total 11 records factors to the game which win or lost, logistic regression analysis was performed. Concentration, total base hit, the number of error, sacrifice hit, struck out, left on base, base on balls, stolen base, double play out, playing in home field, and long hit affected on the game in order. Among these factors, concentration(p=.0001), total hit(p=.0001), the number of error(p=-.301), sacrifice hit(p=.225), struck out(p=.0004) and left on base(p=-.307) significantly affected the game. Second, the predicted model through selecting variable method was E(logit)=-3.0541+0.3820×sacrifice hit-0.1150×struck out+0.1443×total hit+0.1484×stolen base-0.6547×error+4.2716×concentration. Concentration, total hit, the number of error, struck out, sacrifice hit had their effects in order. Third, the analysis of decision making tree showed that.3-.53 of concentration,.29-.4 of long hit, no error and over 2 sacrifice hit in the case of 93.8% win. Next, over.53 concentration, below 9-14 of total hit, below 7 of struck out and no error were come out in 93.2% win. The lowest winning percentage was 6.3% which had below.3 of concentration, no sacrifice hit, and below 1 of stolen base. Next.3-.53 of concentration, below.29-.4 of long hit, over 1 errors and having visit game were resulted in 10°% winning percentage.
김차용(Cha Yong Kim),이철화(Chul Hwa Lee) 한국사회체육학회 1995 한국사회체육학회지 Vol.4 No.-
The purpose of this study was to investigate the relation with events and motivation to participate in sports of urban married Women. The subjects in this study were 880 married Women in 6 largest cities who participated in golf, bowling, swimming, aerobic dance and tennis. The method of this study was utilized questionnaire that was made 31 questions. The data used in this paper were collected by means of a self-administered questionnaire. The results were follows, First, background variables such as duration of marriage, academic career and household income were related to events of participating in sports. higher academic career, older women and rich women participated in golf, swimming and tennis. younger women and lower household income women participated in bowling and aerobic dance. Second, the order of influence on selecting sport events was hobby and recreation oriented, health oriented, family oriented, social oriented, self-developing. the order of motivation intensity in participating to sport events was tennis, bowling, aerobic dance, golf, swimming. Third, sport events were related to the types of sport motivation: aerobic dance and swimming were more likely related to the health oriented sport; bowling was to the family oriented sport; tennis was equally related to the self-developing, social oriented, and hobby and recreation oriented sport; golf was to the self- developing sport.
퍼스널 트레이닝 레슨 참여자들의 만족감 형성 요인에 대한 사례연구
김차용(Cha Yong Kim),김동기(Dong Kee Kim),구본수(Bon Soo Koo),정용락(Young Rak Chung) 한국사회체육학회 2010 한국사회체육학회지 Vol.0 No.42
The purpose of this study is to analyze and understand forming factors of satisfaction of participants in this study who are undergoing or underwent personal training lessons from expert personal trainers. The results of this study are as follows. Firstly, the trainer`s appearance, carrier length and popularity were top priorities in selecting a participant`s trainer and participants showed a strong trust and belief in that trainer`s ability and capacity. Secondly, more diversified and individually customized training programs by personal trainers provided more interesting and enjoyable physical training environments for the participants. The professionalism and expertise of the trainers provide a significant factor to the customer`s satisfaction. Thirdly, the personal trainer`s personality is an important factor and affects his/her image. Participants had higher satisfaction with the role of their trainers as managers for eating habits and general life-styles of customers after personal training lessons and formed a deep bond of friendship and trust with the personal trainers. Fourthly, various ancillary facilities in fitness clubs provide a higher satisfaction factor for customers who uses clubs and participate in personal training. Customers prefer to enjoy exercise together with their personal trainers or other members of the fitness clubs when they use such facilities. Also, the attitude of fitness club staffs such as proper mentality, sincere manner and service-oriented attitude provides a higher quality training environment and improves customer satisfaction while contributing to forming a positive image of the club.
라이프 스타일에 따른 스포츠소비자의 시장세분 및 스포츠 참여유형과 특성
김차용(Cha Yong Kim) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-
The purpose of this study is to identify sports consumer`s behavior. In order to perform this study effectively, market segmentation through analyzing sports consumer`s life style was followed by identifying participation characteristics and preferable kind of sports. Subjects of this study is 476 who have membership of commercial sports center in C area. The statistical methods used in this study was factor analysis, cluster analysis and χ^2 analysis and following results were acquired. First, life styles of sports consumer included four factors which were popular·fashion pursuit, objective pursuit, health pursuit and health ostentation. Second, based on these factors sports consumers grouped into four categories which were popular fashion pursuit group, objective pursuit group, health pursuit group and health ostentation group. Third, some correspondent relationships between segmentation market of life style and preferable kind of sports were significant. The consumers who had popular·fashion pursuit life style preferred horse back riding, squash and racket ball, and who had health ostentation life style preferred weight lifting, aerobic dance, tennis and water sports and who had objective life style preferred golf and who had health pursuit prefered bowling, jogging and throwing like sports. Swimming and tennis showed relation to objective pursuit, health pursuit and health ostentation. Fourth, There were significant differences of characteristic variables for sports consumers between sex, job and degrees of health.