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최경미,이종태,전상일,홍태곤,백정기,한승훈,임동석,Choi, Kyungmee,Lee, Jongtae,Jeon, Sangil,Hong, Taegon,Paek, Jeongki,Han, Seunghoon,Yim, Dong-Seok 대한임상약리학회 2012 臨床藥理學會誌 Vol.20 No.2
Statistical analysts engaged in typical clinical trials often have to confront a tight schedule to finish massive statistical analyses specified in a Standard Operation Procedure (SOP). Thus, statisticians or not, most analysts would want to reuse or slightly modify existing programs. Since even a slight misapplication of statistical methods or techniques can easily drive a whole conclusion to a wrong direction, analysts should arm themselves with well organized statistical concepts in advance. This paper will review basic statistical concepts related to typical clinical trials. The number of variables and their measurement scales determine an appropriate method. Since most of the explanatory variables in clinical trials are designed beforehand, the main statistics we review for clinical trials include univariate data analysis, design of experiments, and categorical data analysis. Especially, if the response variable is binary or observations collected from a subject are correlated, the analysts should pay special attention to selecting an appropriate method. McNemar's test and multiple McNemar's test are respectively recommended for comparisons of proportions between correlated two samples or proportions among correlated multi-samples.
지방 소재 중위권 대학의 이공계 신입생을 위한 수준별 영어수업의 운영방식에 대한 사례 연구
최경미(Kyungmee Choi),양우석(Wook-seok Yang) 한국공학교육학회 2011 공학교육연구 Vol.14 No.2
The wide range of the Freshmen English placement test scores implies the necessity of differentiating classes. However without a careful and detailed plan, there could be trial and error which would cause harmful and complicated troubles to students. This paper will report a case of grouping Freshmen for English classes at the Engineering College of a provincial university. The main procedures include preparing and executing the placement test, grouping classes, preparing and executing a common final test, preparing grading policy, and reporting. Each procedure is going to be explained and evaluated to improve the quality of English classes and the ability of students at the Engineering College.
통계학 개론 대면과 실시간 비대면수업에서 공학전공 학생들의 학습 성취도에 대한 비교 연구
최경미(Kyungmee Choi) 한국공학교육학회 2023 공학교육연구 Vol.26 No.3
We compare engineering students’ learning performance in introductory Statistics classes of the two class types, traditional in-classroom classes with a few reports and real-time online classes with quizzes. Rates of missing classes and turning in homeworks are also included to explain learning attitude. Scores of quizzes, midterm test and final test are used to assess performance. Upto the midterm, the class type is not significant, but rates of missing classes and turning in homeworks are significant. Since the midterm, in-classroom class type reveals better final performance than real-time online class type, rate of turning in homeworks is significant, but rate of missing classes is not significant.
아시아 여성의 오운체질(五運體質)별 검사특성 및 증상과의 관계 - 한국과 일본에서 태어난 미국에 거주하는 한국, 일본 여성을 위주로
진승희 ( Senghee Jin ),최경미 ( Kyungmee Choi ),김태희 ( Taehee Kim ) 대한한의진단학회 2010 大韓韓醫診斷學會誌 Vol.14 No.1
Objective : To characterize Five Woons ofAsian women who live at Los Angeles area in U.S.A Methods : A set of physical tests and diagnostic questions were given to 242 Asian female subjects who were treated for their symptoms at a clinic of Asian medicine near Los Angeles in USA. The participantswere given their constitutions, one of the Five Woons based on their birthdays. The physical tests included a body composition via Inbody 4.0 and an autonomic bioelectric response record via ABR2000. The oneway analysis of variance was applied to compare the means of the Five Woons and the physical test results. The Cross tabulation analysis was also applied to look for the effectiveness of Five Woons on the symptoms. Results : 1. In the body composition items, the LSD(least significant difference) showed that there were significant differences between the Soil Woon and the other Four Woons which are Water, Metal, Fire and Wood Woons in weight, fat, body fat %, BMI (p<0.2). 2. Based on the LSD, significant differences were observed among the Five Woons in R5, R6 and R7(p<0.2). 3. The cross tabulation analysis showed the significant effectiveness of the Five Woons on the five symptoms including dizziness, hot and cold, lower body edema, fatigue and to take a medication for high blood pressure out of 24 diagnostic questions (p<0.2). Conclusions : Further clinical research is necessary to developa more delicate questionnaire and look for ways of characterizing the Five Woons. The diagnosis and corresponding treatment based on the Five Woons should be further studied in view of the Oriental medicine.
崔京美 홍익대학교 산업기술연구소 1999 産業技術 Vol.9 No.-
145 students at Hong-Ik University at Cho-Chi-Won were asked to rank 9 TV categories : Situation Comedy, Drama, News, Game Show, Talk Show, Sports, Movie, Cartoon, TV Magazine. This rank data are analyzed and projected to be used for the further analysis.