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이범홍 ( Bum Hong Lee ) 대한내과학회 1968 대한내과학회지 Vol.11 No.2
In view of the importance of humora1 factor, especially of the renin-angiotensin system, in search for the causative mechanism of arterial hypertension, the determination of plasma vasoconstrictor activity in various hypertensive states may help the better
이범홍 ( Bum Hong Lee ),이성환 ( Sung Whan Lee ),전규식 ( Kyu Shik Chun ),이주달 ( Joo Dal Lee ),이상호 ( Sang Ho Lee ) 대한내과학회 1968 대한내과학회지 Vol.11 No.11
The amount of salt intake can be indirectly measured by the urinary sodium excretion. The salt intake was measured in 386 normal adult Koreans (178 men and 208 women) and 50 hypertensives. Following were the results: 1. The mean daily salt intake of Korean
대학수학능력시험 공통과학 중 화학 영역의 문항 및 응시자 응답 분석
홍미영(Mi Young Hong),전경문(Kyung Moon Jeon),이양락(Yang Rak Lee),이범홍(Bum Hong Yi) 한국과학교육학회 2002 한국과학교육학회지 Vol.22 No.2
In this study, the students` responses on the chemistry items of in the general science of College Scholastics Ability Test (CSAT) implemented for the past 3 years since 1999 were investigated. The number of items by content and inquiry process, the average percent correct by content and inquiry process, the distribution of items by the level of percent correct, and the items with high and/or low percent correct were analysed. There were the fewest items in `environment` area, especially in `ozon layer`, no test item had been made. The most difficult content area was `acid rain` in environment. By inquiry process, the most number of items belonged to `analyzing & interpreting data` , and `identifying problems & formulating hypothesis` was the most difficult process. No test item came under the level of `very difficult`, and many items under the `easy` or `very easy` level. Students were generally poor at solving test items demanding several concepts, and very good at simply requiring basic concept treated in lower grade. Educational implications are discussed.
대학수학능력시험 화학 2 문항에 대한 학생들의 응답 분석
홍미영(Mi Young Hong),정경문(Kyung Moon Jeon),이범홍(Bum Hong Yi),이양락(Yang Rak Lee) 한국과학교육학회 2002 한국과학교육학회지 Vol.22 No.1
In this study, the students` responses on the items of chemistry Ⅱ in the College Scholastics Ability Test (CAST) implemented for the past 3 years since 1999 was investigated. The number of applicants and mean score of chemistry Ⅱ, average percent correct by contents and inquiry process, and the items with high and/or low percent correct are analysed and discussed. The percentage of applicants for natural science track is reduced each year. However, more than 25% of natural science track applied to chemistry Ⅱ, which ranked second to biology Ⅱ. The mean score of chemistry Ⅱ was increased in 2001 along with those of other subjects. There is no difference in average percent correct either by contents or inquiry process. Students performed generally poor at solving test items relating to `colligative properties of solution` such as `boiling point elevation` or `osmotic pressure`, and very well at solving test items relating to `reaction rates`, Educational implications are discussed.