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신유선 팬코리아영어교육학회 2017 영어교육연구 Vol.29 No.1
The paper examines the relationships among reading problems in L1 and L2, strategy use in L2reading and L2 proficiency. The total of 126 university students participated in this study. Self-assessed survey items were used to measure reading proficiency in L1, Korean and L2,English. Then the Survey of Reading Strategy (SORS) was followed to measure the participants’strategy use during their L2 academic reading. Some of the main reading problems involve slowreading in L2 texts, lack of vocabulary size during reading in L2, and lack of content knowledgein L2 texts. Language proficiency is greatly contributed to L2 reading proficiency, to the extentin which the participants fell below the linguistic threshold. Pedagogical implications andlimitations are discussed.
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대중교통 하차추정을 위한 희소데이터 분석방법 연구- 공간 통행밀도의 클러스터링 활용 -
신유선 한국교통연구원 2020 交通硏究 Vol.27 No.4
It has been possible to collect massive trip-data and to increase public transportation using convenience since mid-of-1990 when the Radio-Frequency Identification (RFID) based transportation card system was introduced in Korea. In addition, advancement of storage and big-data analysis technologies made planning transport policies by data. However, incomplete trip information such as no alighting records still remain challenging to overcome for clarifying traffic amount. Especially, not the Capital city and metropolitan areas, but mid-small cities have much more data omitting problems. Furthermore, time discontinuity of data hinder to build trip-chain or alighting estimation with lots of existing methods. In this research, we proposed an innovative alighting estimation method focused on transaction density information that using ① smartcard-history-based OD composition utilizing a clustering method, one of unsupervised AI technics, and hybridize ② each user trip scenario extracted from timestamp values. Moreover, we showed that we can conquer time discontinuity of sparse trip records through this idea, and possibilities of distinguishing trip purposes of irregular trips as well as applying them to other research areas. 1990년대 중반 RFID 기반 교통카드 시스템의 국내 도입을 기점으로 대중교통 이용의 편의성 증대와 함께 방대한 양의 통행 빅데이터 수집이 가능해졌다. 또한, 저장 및 분석 기술의 발달로 데이터에 근거한 대중교통 정책 수립이 가능하게 되었다. 하지만, 하차 정보가 없는 불완전한 통행 정보는 정확한 통행 규모를 얻기 위해 해결해야 할 과제로 남아있다. 특히, 수도권이나 광역생활권이 아닌 중소규모의 지방 도시일수록 하차 정보의 누락이 많고 수집된 데이터의 시간적 연속성이 부족하여 이용객의 통행 시나리오를 기반으로 동작하는 대다수의 기존 방법론으로는 통행 사슬의 구성 및 하차지 추정이 쉽지 않다. 본 연구에서는 공간상의 통행 밀도를 바탕으로 비지도학습 인공지능 기법의 하나인 ① 클러스터링을 이용한 교통카드정보기반 OD 구성, ② 이용자의 통행패턴을 기반으로 한 개별 통행 시나리오 추정의 두 가지 방법을 병용한 하차지점 추정 방법을 제시하였다. 하차 추정에 일반적으로 이용되는 통행사슬법과 새롭게 제안하는 방법의 추정 결과를 비교하였으며, 새로운 분석법을 이용하여 시간 불연속의 문제를 해소하고, 주통행 OD 뿐만 아니라 부가 통행의 통행목적 또한 구분함으로써 여러 분야의 연구에 활용 가능함을 보였다.
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아로마 요법이 뇌졸중환자의 자율신경계와 스트레스에 대한 신체 저항도에 미치는 효과
신유선,조영숙,정유진 대한기초간호자연과학회 2004 Journal of korean biological nursing science Vol.6 No.2
Purpose : The purpose of this study is to determine effects of aromatherapy on the activity and balance of autonomic nervous system and on physical resistance to stress. Methods : This research is a primitive experimental design which attempts to analyze aromatherapy EKG monitoring on real-time basis. Lavender & Chamomile, each 30 drops, were blended with 100ml Sweet Almond oil. Subjects was laid relaxed, and had insides of his wrists and ankles attached with electrodes for EKG. Right after applied with essential oil onto his philtrum and parotid, started on EKG monitoring. Results : The activities of parasympathetic and sympathetic nerve were changed as time elapsed, with significant differences(p=.000). In multiple comparison, the value was significantly different (p<.05).The balance of autonomic nerve was changed, becoming close to the normal level in accord with applicable international standards(1.5)(p=.011). In multiple comparison, the value showed a significant difference(p<.05). Physical resistance to stress increased with the passage of time, but not statistically significant. Conclusions : This suggests that aromatherapy can be used as a nursing intervention which aims at alleviating symptoms related to the imbalance of autonomic nerve system such as headache, hot flashes, irregular heartbeat, nervousness, depression and anxiety.
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신유선,오준일,김은지 팬코리아영어교육학회 2012 영어교육연구 Vol.23 No.4
The quantitative study investigated reading difficulty by analyzing Flesch-Kincaid readability index and vocabulary frequency levels of the texts in the College Scholastic Ability Test from 2002 to 2011 in Korea. Analyses of readability index and vocabulary frequency levels of the texts used in the test yielded the following clear results: both reading difficulty and vocabulary frequency levels including 1000, 2000, UWL (University Word Level), and not-in-the-list frequency level have increased over the last ten years. The tendency suggests that there has been a gradual change in terms of reading difficulty in accordance with the level of vocabulary in the test. Additionally, the results imply that the steady increase in both reading difficulty and vocabulary frequency levels has improved the authenticity of the test based on the perspective that students will actually confront texts with the similar level of vocabulary difficulty and lengths or even longer than those as the CSAT test in their academic contexts. This finding, though, runs counter to foreign language policy stated by the Ministry of Education, which currently focuses on communicative language ability and subsequent practical language use in real life.
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