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최재형(Jae-Hyoung Choi) 산업기술교육훈련학회 2009 산업기술연구논문지 (JITR) Vol.14 No.4
To satisfy the basic human desires for healthy life, this thesis is intended to explain the methods of promoting physical fitness by the way of connecting it to physical education, which is the basis of physical fitness. Examining various documents, the roles and purposes of physical education were found in terms of encouraging the physical fitness. This study was conducted according to the following procedures. First, introducing the functions and necessity of physical fitness in modern society Second, analyzing and describing the actual conditions of physical education based on its purposes, its standards, and its present problems Third, researching the relations between physical fitness and physical education Fourth, suggesting the roles of physical education and three solutions to stimulate it Three methods to promote physical education are : 1. In terms of curriculum operations, improving instructional methods and reforming conventional physical education systems will lead not only to changes of people s cognition toward physical education but also to activation of it. As a result, this will make it possible to promote the physical fitness. 2. Physical training can be stimulated by opening school facilities to the local community for freely using, improving old facilities, and making up for the lack of resources. 3. For a change in public recognitions concerning physical fitness, and professional and systematic operations, the school education has to provide supports for training physical education instructors and developing various programs. As above-mentioned, this study is expected to improve physical education and promote of physical fitness, as well as to achieve the ultimate goal of supporting the people s healthful life.
최재형(Jae-Hyoung Choi) 산업기술교육훈련학회 2011 산업기술연구논문지 (JITR) Vol.16 No.4
This study got conclusion as a result monitor and analyze exercise injuries kinds, exercise injuries character, exercise injuries medical care, and exercise injuries cause as the weight training target on 313 adult people who are belonged 5 sports centers and 5 fitness clubs in Gyeonggido and Seoul. 1. Character the exercise injuries The most frequent injured part was indicated as a shoulder, and there are differences depending on the gender. The injuries in the muscle are easily hurted during the exercise, and there are also gender differences. People usually get hurt on the treadmill the most, and there are differences between the gender. 2. Time the exercise injuries The time when the injury can happen is almost afternoon times without any differences between the gender. The situation when the injury can happen most frequently is during the main exercise without any differences between the gender. Winter has the most frequent injuries to the exerciser. And the gender differences exist. Those who started their exercise for less than 3 months have the highest level of injuries. There are also the differences depending on the gender. 3. Treatment the exercise injuries The treatment after the injury is mainly done for himself or herself, and there are differences between the gender. The general period of treatment is two to three weeks, and there are also differences between the gender. The hospital shows the highest level of people being treated after the injury, and there is no difference between the gender. 4. Cause the exercise injuries The cause of the injury is the lack of warming up, which indicates the highest level among the causes, and there is no difference between the gender. The cause of injury in the process of exercise is the highest in the method of the exercise, and there is no difference between the gender. The most preferred precaution method is also the warming up, and there is a difference between the gender.
대인관계 및 개인능력 향상을 위한 체육활동 참여 확산 방향 및 제도
최재형(Jae-Hyoung Choi) 산업기술교육훈련학회 2010 산업기술연구논문지 (JITR) Vol.15 No.2
Starting with the concept of solving dysfunctions caused by the decrease in human physical activities from the mechanic industry with improvements in sports activities, the purpose of this study is to find the methods for settling the problems, which modern humans have suffered, by probing the characteristics of modern humans and the functions of physical training. For the purposes of the study, the characteristics of modern people were analyzed, and programs were selected and designed to make full use of leisure time and encourage various collective physical activities. The study was carried out according to the steps below: The first chapter introduces the purposes and necessity of this research. To investigate the characteristics of modern humans thoroughly, the second chapter examines the scarcity of time and growing concerns of the individual abilities according to the modern labor environment and human individualistic disposition, which allows finding how these factors affect their physical activities. The third chapter describes what functions and roles the physical activities have, and searches which activity is more contributed to people s health improvements than others. Based on the result of the survey of chapter three, the fourth chapter defines the correlation between physical activities and interpersonal relationship - after that it analyzes their relationship in order to solve the problems occurring in relationships and have positive effects on the people s health. From the analyzed data above, the fifth chapter suggests specific methods to encourage people to anticipate in the effective physical activities. The solutions presented in this study make it possible not only to arrange social systems and financial support but also to develop direct facilities and programs. Besides, general and coordinated changes, such as changes in participants thoughts regarding the physical activities, make improvements in daily physical activities. For this reason, each government and local community s effort should be accompanied by its financial supports and social systems. Moreover, to make these programs work, systematic researches needs to be conducted in various aspects.
한종석,최재형,김지중,Han, Jong-Seok,Choi, Jae-Hyoung,Kim, Jee-Joong 대한전자공학회 1999 電子工學會論文誌, S Vol.s36 No.8
ATM 망을 이용한 MPGE-2 비디오 서비스 제공시, 망제공자의 입장에서는 사용자가 요구하는 응용계층에서의 서비스 품질을 보장하기 위한 망의 ATM 계층 서비스 품질 목표치가 필요하다. 본 논문에서는 셀손실에 따른 응용계층에서의 서비스 품질저하를 AAL 계층을 고려나 GIQ 모델을 제안하여 객관적으로 정량화하고, 이를 사용자의 주관적인 관점에서 MOS 평가하여 셀손실과 MPEG-2 비디오의 서비스 품질간 상관관계를 제시한다. 연구결과, MOS 등급 5(Excellent)의 서비스 품질을 보장하기 위한 CLR과 $GIQ_{mean}$는 $CLR{\le}4{\times}10^7$ 및 $GIQ_{mean}{\ge}99.4%$이고, MOS 등급 4(Good)을 보장하기 위한 CLR과 $GIQ_{mean}$는 $CLR{\le}2{\times}10^6$ 및 4GIQ_{mean}{\ge}99.705%$ 이었다. On providing MPEG-2 video service through the ATM network, it is necessary for network provider to have the ATM QoS objectives in order to guarantee quality of service required by end users at the application layer. In this paper, the degradation of QoS caused by cell losses at application layer is assessed quantitatively by GIQ model considering AAL layer and is evaluated qualitatively by MOS from the viewpoint of the end users in order to analyze the relation between CLR and QoS of MPEG-2 video. From the simulation and empirical results, we know that CLR and $GIQ_{mean}$ for guaranteeing QoS of MOS grade 5(Excellent) are $CLR{\le}4{\times}10^7$ & $GIQ_{mean}{\ge}99.4%$ and those for guaranteeing QoS of MOS grade 4(Good) are $CLR{\le}2{\times}10^6$ & $GIQ_{mean}{\ge}99.705%$.
대화형 에이전트의 사과 오류 회복 전략과 사용자의 정서상태가 사용자 경험에 미치는 영향
김진현(Jinhyun Kim),최재형(Jae-Hyoung Choi),조광수(Kwangsu Cho) 한국HCI학회 2017 한국HCI학회 학술대회 Vol.2017 No.2
본 연구에서는 사용자가 대화형 에이전트를 사용시 뜻하지 않은 불가해성 오류(non-understanding error)를 접하였을 때, 에이전트의 오류 회복 전략이 사과 표현을 포함하고 있으면 사용자의 좌절감이 낮아지는지를 알아보고, 더 나아가 이 효과가 사용자의 정서상태에 영향을 받는지에 대해 알아보고자 하였다. 이를 위해 Wizard-of-Oz 실험방법론을 기반으로 모의 에이전트 시스템을 제작하여, 실험 참가자에게 사과적인 오류 회복 전략을 취하는 에이전트와 그렇지 않은 에이전트를 모두 경험하게 한 뒤, 각각 사용성을 평가하는 실험을 진행하고 이를 통해 사과적 오류 회복 전략이 사용자의 좌절감을 감소시키고, 사용자의 정서상태(긍정 정서 vs 부정정서)에 따라 그 결과가 달라지는지를 살펴보았다. 연세대학교 학생 65 명을 대상으로 실험을 진행한 뒤 데이터를 분석한 결과, 오류 회복 전략의 사과 표현 포함 여부와 사용자의 정서상태 간에 유의미한 상호작용이 나타났다.