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시선추적과 뇌파를 활용한 한국어 학습자의 읽기 과정 분석
임정남(Jung Nam Im),만승남(Seung Nam Min),조성문(Sung Moon Cho) 대한인간공학회 2017 大韓人間工學會誌 Vol.36 No.6
Objective: The purpose of this study is to establish the goal with the reading stage of Korean learners in Korean language education institutions for preparing enter university using EEG and eye tracker. Background: International students enter the university after completing Korean language education finding lots of difficulties in classes handled in Korean. This is due to the current qualitative evaluation method adopted by the Korean teachers. Therefore, the international students need a proper learning method. Method: The Korean language proficiency test and learner’s level are classified as a beginner, intermediate, and advanced levels. The reading process was measured using Eye tracker and EEG. The independent variables consisted of 3 text level and 3 learner’s level. The dependent variables consisted of fixation time, fixation number, saccade number, saccade time, and stress index. The variance analysis was performed with 3 × 3 within subject design. Results: As the text level increased, the fixation time and number were lowered for beginner, intermediate, and advanced learner. Even the number of fixation decreased, the understanding score as significantly increased. It was also found that the part of fixation number was related to process vocabulary and grammar. The text level significantly increased when saccade number increased. In addition, the saccade number significantly increased for the learner language level. There was no significant difference in the level of text difficulties between beginner and intermediate learners. Nevertheless, we found that advanced learners were confirmed with higher saccade time in beginner difficulty text. Conclusion: The fixation ratio was higher for beginner learners. Similarly, it was found that fixation time had a constant pattern with respect to learners’ proficiency regardless of difficulty level. The saccade time affects the learners’ level of text understanding. Also, the number of saccades associated with grammar and vocabulary. Application: In the future, if this study focus on a word and grammar in a sentence using EEG and eye tracking, this can prepare a study design for Korean reading system.
임정남(Jung Nam Im),이재경(Jae Kyoung Lee),유중조(Jung Jo Yuu) 한국토목섬유학회 2009 한국지반신소재학회 학술발표회 Vol.2009 No.11
The thermal, mechanical properties and their degradation behavior of various PLA(Poly lactide) resins was investigated. PLA6201D, PLA4032D and PLA2002D of Natureworks was used as candidates for the potential green geosynthetics. PLA4032D showed the appropriate properties in terms of degradation.
임정남(Jung Nam Im),김윤진(Yoon Jin Kim) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
패취 시스템의 감염 방지 기능을 향상이나 상처 치유 효과를 높이기 위해 다공성 구조를 갖는 피부 접촉층이 주목받고 있다. 본 연구에서는 습식 부직포 제조 공정을 이용하여 피부 접촉층용 비스코스 레이온 부직포를 제조하여 그 특성을 평가하였다. 비스코스 레이온 부직포를 평량별로 제조하여 그 특성을 평가하였고, 나노피브릴화된 아크릴 섬유를 혼합하여 마이크로/나노하이브리드 부직포를 제조하였다. 제조한 하이브리드 부직포는 기공 특성 및 물리적 특성을 우수하여 박막형 다공성 피부접촉층으로 이용하기에 우수한 특성을 나타냈다.
OECD 회원국들의 농업지식체계 ( AKS ) 동향과 전망
임정남(Jeong Nam Im),박무언(Moo Eon Park),박경철(Kyung Chul Park) 한국농촌지도학회 2000 농촌지도와 개발 Vol.7 No.1
During the last 10 year period, OECD member countries were in a trend of `less government` from `more government`, thus resulted in restructuring and reducing staffs in government agricultural institutions including the Agricultural Knowledge System. In recognizing the crisis of `less government`, member countries were in a trend of paradigm shift to the `better government`. In producing and transferring agricultural information, member countries are more concerned about consumers as well as producers as the target of good quality services of the `better government`. The general consensus of member countries identified the importance of food safety and environmental protection as new agendas for the 21st century. Agricultural Knowledge Systems (AKS) in OECD member countries were in a trend of reorganization in addressing food safety, and agriculture / environmental issues. The approaches, functions and responsibilities were diversified to multi-governmental institutions from the ministry of agriculture. Thus the importance of institutional cooperation and coordination were emphasized more in the newly changed AKS paradigms. The objectives, functions and approaches of AKS in OECD member countries as well as in Korea will be directed to emphasize the importance of environment, sustainable agriculture, food safety, and rural development. They will also focus on establishing mutual cooperative systems among policy makers, consumes, non-governmental organizations, and agri-related organizations as necessary for sustainable development in the future.