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대학 수업 중 스마트폰 사용 이해와 수업 집중 장려를 위한 중재 시스템 디자인 탐구
정규원(Gyu-won Jung),김인엽(Inyeop Kim),정하영(Hayoung Jung),이의진(Uichin Lee) 한국HCI학회 2017 한국HCI학회 학술대회 Vol.2017 No.2
스마트폰은 사용자의 생활에 필요한 기능과 다양한 즐거움을 제공하는 유용한 도구다. 그러나 기기를 다루는 사용자의 상황에 따라 방해의 요소가 될 수도 있다. 예를 들어, 학습이나 업무 중 불필요한 스마트폰 사용은 주의를 산만하게 하고 집중력을 떨어뜨린다. 특히, 수업 중 학습자가 정보 검색, 필기등 학습 보조 수단이 아닌 다른 목적으로 스마트폰을 사용할 경우, 수업 분위기 및 학습 성과에 부정적인 영향을 주고 교수자와 갈등을 일으키기도 한다. 따라서 연구팀은 수업 중 스마트폰 사용을 중재할 수 있는 시스템을 디자인하기 위해 대학교수 및 대학생들을 대상으로 설문조사를 수행하였다. 그리고 응답으로부터 수업 중 실제 스마트폰 사용 경험과 절제 앱 활용에 대한 전반적인 의견을 수집하였다. 그 결과, 수업 시간에 스마트폰을 사용하게 되는 동기, 사용자의 학습을 방해하는 요소, 스마트폰 절제 앱사용과 관련된 다양한 의견 등을 확인할 수 있었다. 이를 바탕으로 대학생들의 수업 집중을 지원하는 시스템을 위한 디자인 요소를 제안한다. The smartphone is a useful tool that provides many functions and pleasures in everyday life. But it can also be a distraction, depending on one’s context. Especially in the classroom, if someone uses a smartphone in a way that doesn"t contribute to the point of the lecture, then it may negatively affect not only the learning performance but also the relationship with the instructor. We conducted a survey of university students and professors in order to design a system that can mitigate smartphone usage during class. Then we collected experiences about smartphone usage in class and opinions about applying the smartphone mitigation app. As a result, we were able to identify motivations for using smartphones in class, factors disrupting the user’s learning, and opinions about using the mitigating app. With this, we suggest design factors for a system that supports concentration in class.
7대 광역시에서 대기오염과 폐암 발생 및 사망에 대한 공간 분석
황승식,이진희,정규원,임정훈,권호장,Hwang, Seung-Sik,Lee, Jin-Hee,Jung, Gyu-Won,Lim, Jeong-Hun,Kwon, Ho-Jang 대한예방의학회 2007 예방의학회지 Vol.40 No.3
Objectives : We aimed to assess the relationship between long-term exposure to air pollution and lung cancer in the Republic of Korea. Methods : Using the Annual Report of Ambient Air Quality in Korea, Annual Report of National Cancer Registration, and Annual Report on the Cause of Death Statistics, we calculated the standardized mortality ratio (SMR) and standardized incidence ratio (SIR) of lung cancer for both sexes in 74 areas from 7 Korean metropolitan cities. We performed random intercept, Poisson regression using empirical Bayes method. Results : Both SMRs and SIRs in the 7 metropolitan cities were higher in women than in men. Mean SIRs were 99.0 for males and 107.0 for females. The association between $PM_{10}$ and lung cancer risk differed according to gender. $PM_{10}$ was not associated with the risk of lung cancer in males, but both incidence and mortality of lung cancer were positively associated with $PM_{10}$ in females. The estimated percentage increases in the rate of female lung cancer mortality and incidence were 27% and 65% at the highest $PM_{10}$ category $({\geq}70\;{\mu}g/m^3)$, compared to the referent category $({\geq}50\;{\mu}g/m^3)$. Conclusions : Long-term exposure to $PM_{10}$ was significantly associated with female lung cancer incidence in 7 Korean metropolitan cities. Further study is undergoing to estimate the relative risk of $PM_{10}$ using multi-level analysis for controlling individual and regional confounders such as smoking and socioeconomic position.
Itopride가 정상 성인에서 상부 위긴장도와 위감각능에 미치는 영향
최명규(Myung Gyu Choi),추교영(Kyo Young Choo),김병욱(Byung Wook Kim),최황(Hwang Choi),박수헌(Soo Heon Park),오정환(Jung Hwan Oh),한석원(Sok Won Han),김재광(Jae Kwang Kim),정인식(In Sik Chung),정규원(Kyu Won Chung),선희식(Hee Sik Sun 대한소화기학회 2000 대한소화기학회지 Vol.36 No.3
Background/Aims : Itopride is a newly developed prokinetic agent and has antidopaminergic and anti- acetylcholine esterase activities. Our aim was to evaluate the effect of itopride on proximal gastric tone and visceral perception. Methods: Fifteen healthy subjects participated in two experiments with 7 days interval. Randomized double blinded cross-over design with 3 days pretreatment of placebo or itopride was followed by itopride or placebo treatment. After overnight fasting, itopride was given prior to barostat study. Sensory function was assessed by scoring the perception for nausea, fullness, and abdominal discomfort/pain during random-order distensions of 4, 8, and 12 mmHg above minimal intragastric distending pressure (MDP). Effect of distensions was studied three times. Results : Compliance was not different after pretreatment of itopride or placebo. Itopride has no effect on visceral perception at MDP+4 mmHg (92.5±45.3 vs. 79.1±30.2), 8 mmHg (117.7±41.1 vs. 118.9±41.5) and at MDP+12 mmHg (159.8±43.9 vs. 149.9±53.5). MDP and fasting tone were not different between the two experimental groups. After itopride pretreatment, significantly increased intragastric volume were recorded in 60 min postprandial period (p<0.05). Conclusions: Itopride enhances the gastric accommodation to meal. This observation suggests that itopride may provide benefits to patients with impaired postprandial relaxation of proximal stomach. (Kor J Gastroenterol 2000;36:293 - 301)
미국, 유럽, 일본의 실사용데이터 연구사업 추진현황과 시사점
박한희(Han-Heui Park),정규원(Gyu-Won Jung),성희진(Higin Sung),신주영(Ju-Young Shin) 대한약학회 2020 약학회지 Vol.64 No.1
With the growing interest in big data, regulatory agencies in United States, Europe, and Japan are showing active movements to use real world data (RWD) and real world evidence (RWE). Following the global movements, it is necessary to establish the foundation for utilizing RWD in drug safety management in Korea. The purpose of this study is to examine and analyze the current status of research projects related to RWD in US, Europe, and Japan. We investigated the current state of global research projects on the use of RWD and RWE by utilizing many of the informative resources as follow. We collected information posted on websites operated by each country’s regulatory authority. Also we referred to publications and guidance around the enhanced use of RWE for health-care decision-makers. In addition, web seminars introducing ongoing research projects allowed us to gain substantial amount of resources. We classified research projects into 4 areas; data integrity (accuracy and consistency of data), post-market drug safety monitoring, indication expansion, and consulting and education fields. In this way, we could consider each country’s different market environment and institutional bases. Therefore, this study suggests future directions to prepare research projects for the introduction of Korea’s RWD.
실사용데이터/실사용근거를 활용한 FDA와 EMA의 규제적 의사결정 사례 분석
성희진(Hi Gin Sung),박한희(Han-Heui Park),정규원(Gyu-Won Jung),신주영(Ju-Young Shin) 대한약학회 2020 약학회지 Vol.64 No.2
Lately, the use of Real-World Data (RWD)/Real-World Evidence (RWE) have been actively expanded in regulatory decisions. We aimed to investigate how RWD/RWE were used in pursuit of supporting regulatory actions of FDA and EMA. We selected 9 examples of regulatory decision making with the support of RWD/RWE. To identify information included in RWE submission, we referred to the official website of US FDA or EMA. In addition, we used ClinicalTrials.gov and Medline database to collect information on study design using RWE and RWD source used to generate RWE. Our study drugs were classified into 3 parts according to regulatory context; primary approval, label expansion, and regulatory response to safety signal after marketing. Among these examples, 5 biologic products including 1 vaccine had gone through accelerated review supported by RWE. To summarize, we investigated several examples where RWD/RWE has already been used in the process of making regulatory decisions for assessing the safety of drugs as well as their effectiveness. We recommend further discussions on advancing the use of RWD/RWE in regulatory context to improve patient access to novel rare disease treatments and provide more efficient safety assessment.