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최희남(Choi Hee-Nam) 한국체육과학회 2001 한국체육과학회지 Vol.10 No.1
The purpose of this study was to verify the validity and reliability on the 4 types of volleyball serve skill testing model. Subjects were 2 grade women's middle school(n=122) student which had practiced underhand serve for 6 week before the trial. They were tested 4 types of volleyball serve skill testing model in randomly order. The 4 types of testing model included AAHPERD, Russell-Lange Choi's model and new designed professional model which was invented by physical education teacher at middle school. We tested twice in randomly order and evaluated the validity, reliability and skill improvement on the 4 types of volleyball serve skill testing model. The results were as follows; 1) There were high correlation(r=.80) in validity among 4 types of volleyball serve skill testing model(p<01). 2) We examed a pre and post serve skill test for each model, and there were significant correlation in reliability for Choi's model(r=.839) and AAHPERD(r=.794) in order. 3) For the compensating the validity and reliability on the 4 type testing model, we have compared the scatter gram to normal curve and evaluating the skeness and kurtosis. Ther were high values on the Choi's model which was .833 and AAHPERD(.675) in skewness. In addition, there were positive value in kurtosis on the Russel-Lange which was .037 and negative values on the 3 testing model. 4) It has showed that success of serve test was 63.5% following 6 week practice and 30% of the students did not make any serve in the trial. 5) There were significant correlation between physique and serve skill among 4 types of volleyball serve skill testing. Specially, we have verified that height showed highest correlation with success of volleyball serve(r=.303). In summary, evidence for the combined evaluation of normal curve, reliability and validity on the 4 types testing model, we have concluded that choi's model showed the best evaluation method for middle school student. Furthermore, Choi's model revealed the easiest way to drawing court in class exam. Therefore, we recommended that Choi's model was the most valuable underhand volleyball serve skill testing model among the 4 model and very effective testing method for middle school student.
학습의 지도순서가 테니스 스트로크 기능 향상에 미치는 영향
최희남(Choi Hee-Nam),하영삼(Ha Young-Sam),조홍식(Cho Hong-Sik) 한국체육과학회 2003 한국체육과학회지 Vol.12 No.1
The purpose of this study was to investigate the more effective instructional method for tennis stroke by identifing the effort on the improvement of tennis ground stroke function of the instructional sequence of learning such as the learning method of first forehand stroke and later backhand stroke, the learning method of first backhand stroke and the learning method of the simultaneous learning method of forehand and backhand stoke. In this study, the experiment was carried out for three-grade male students in middle school located in Seoul. They Were divided into the group of learning first forehand stroke and later backhand stroke(comparison group), the group of learning first backhand stroke and later forehand stroke(experimental group) and group of simultaneously learning forehand and backhand stroke/control group). Their stroke function was measured by Hewitt's tennis test. Mean and standard deviation were computed through measurement after the 4-week experiment. The intergroup difference in the factors was analyzed by one-way analysis of variance(ANOVA) and the intragroup difference in the factors was analyzed by the paired t-test, The Tukey test was used as the post-test at the significance level of P <.05. As a result the following findings were obtained: First, it was found that was no difference between three groups in the pre-test. Second, it was found that there was a statistically significant difference between three groups as a result of measrement after the 4-week exercise(P<.05).