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A Critical Review of Research on LTH and LIH
Lee Seongwon 영미어문학회 2004 영미어문학연구 Vol.20 No.1
Lee, Seongwon. 2004. A critical review of research on LIH and LTH. The British & American language Literature. 20-1. 53-65. As English education for young students has received more attention compared with Korean education, educators are getting concerned about the unbalanced education between the subjects of English and Korean. Many experts in the field of language education believe that the subjects' first language plays a more important role in acquiring a second language than many expect. It is about time that the importance of first language in learning a second language be investigated. The study thus attempted to synthesize and evaluate studies that dealt with the relationship between L1 and L2 especially in the area of reading. The question whether second language reading is a language problem or a reading problem has captured attention of second/foreign language reading researchers. Researchers tried to answer this question based on two contradicting hypotheses: the linguistic threshold hypothesis (LTH) and the linguistic interdependency hypothesis (LlH). LTH states that the readers have to possess a certain amount of grammatical/linguistic knowledge in order to engage their first language reading skills. On the other hand, LIH states that reading performance in a second language is largely shared with reading ability in a first language. Studies supporting the LTH, LIH, and both LTH and LIH are discussed and evaluated.
Incorporating Cyclical Model of Self-Regulation into Korean High School EFL Learners
( Lee¸ Eonjeong ),( Lee¸ Seongwon ) 한국중등영어교육학회 2021 중등영어교육 Vol.14 No.4
The study applied Zimmerman’s cyclical model of self-regulation to an EFL high school classroom and explored how it affects learner motivation, strategy use, and reading comprehension. The cycle of self-regulation process was introduced to seventeen students who participated in the study. Five learning strategies were introduced during a 100 minute English lesson each week for five weeks. Participants took motivation questionnaire, strategy use check list, and reading comprehension tests before and after those lessons. Data analyzed using paired sample t-test show that there was a significant increase in terms of motivation level and strategy use. More specifically, for motivation level, 13 out of 18 motivation aspects showed improvement and for learning strategy use, there was a statistically meaningful increase in 17 out of 25 items. However, there was not any meaningful increase in reading comprehension tests and this result can be explained with the lack of time or the cognitive load caused by strategy use. All in all, the study suggests teachers help learners improve motivation, strategy use, and self-regulatory ability by incorporating the model into their EFL classroom.
사회지능 평가 정량화를 위한 사회지능과 표정인지와 표정표현 간의 상관성 분석
이성원(Seongwon Lee),황민철(Mincheol Whang),이현우(Hyunwoo Lee),조영호(Youngho Jo),이정년(Jungnyun Lee),김영주(Young-Joo Kim),김혜진(Hyejin Kim) 한국HCI학회 2018 한국HCI학회 학술대회 Vol.2018 No.1
본 연구는 사회지능의 정량적 측정을 위해 표정인지와 표현의 상관성을 확인하고자 하였다. 10 대에서 40 대 사이 726 명을 대상으로 ‘사회지능-표정인지-표정표현’ 평가가 수행되었으며, 무표정, 행복, 슬픔, 분노, 놀람, 혐오, 공포, 경멸에 대한 표정평가를 실시하였다. 표정인지 평가는 제시되는 표정과 일치하는 감성 어휘를 선택하는 객관 설문결과가 수집되었으며, 표정표현 평가는 웹캠을 통해 취득하는 얼굴 근육의 움직임을 각 표정 별 근육움직임의 특징과 비교하여 정확도를 평가하였다. 평가 결과, 표정 평가에서 계산되는 7 가지 표정 스케일에 맞추어 사회지능 점수결과를 7 그룹으로 나누고 각 그룹의 평균 점수로 상관분석을 실시하였다. 그 결과 사회지능이 높은 그룹일수록 표정인지 점수가 높아지며 통계적으로 유의한 결과를 확인하였다(p < .01). 표정표현은 모든 표정 결과를 합산한 점수로는 유의한 결과가 나타나지 않았으나, 행복한 표정의 표현에서 사회지능과의 유의성이 확인되었다(p < .05). 반비례적 패턴을 가진 분노와 공포 표현을 제외한 행복, 슬픔, 놀람, 혐오, 경멸표정표현만을 평가 항목으로 할 경우, 사회지능결과와 유의한 결과가 나타났다(p < .05). 따라서 추후 표정표현 평가에서 검사 항목을 강화하여 표정인지 평가와 함께 정량적인 사회지능의 측정이 가능해 질 것으로 기대된다.
β-Mannanase (CTCZYME<SUP>®</SUP>) 첨가가 어린 송아지의 성장에 미치는 영향
이세영(Se-Young Lee),이상문(Sang-Moon Lee),김종형(Jong-Hyeong Kim),기광석(Kwang-Seok Ki),김현섭(Hyeon-Shup Kim),감동근(Dong-Keun Kam),이재환(Jae-Hwan Lee),이정진(Jung-Jin Lee),배귀석(Gui-Seck Bae),서성원(Seongwon Seo) 충남대학교 농업과학연구소 2010 농업과학연구 Vol.37 No.2
The objective of this study was to evaluate effects of supplementation of β-mannanase (CTCZYME<SUP>ⓡ</SUP>, CTCBIO, Inc.) on feed intake, growth performance and fecal health of calves fed two levels (3% vs. 8%) of palm kernel meal (PKM). A total of nine Holstein calves were divided into three groups, and fed a conventional starter containing 3% PKM (CON), CON+ 0.1% CTCZYME <SUP>ⓡ</SUP> (TRT1), or a starter containing 8% PKM+ 0.1% CTCZYME<SUP>ⓡ</SUP> (TRT2). No clinical symptom of calves was observed through the trial. We did not find significant differences among the treatments on mean feed intake, growth performance, or fecal health during the four-week experimental period. Feed efficiency tended to be improved by adding CTCZYME<SUP>ⓡ</SUP> (0.46, 0.87 and 0.52 for CON, TRT1 and TRT2, respectively). Compared with CON (921 g/d and 786 g/d), TRT2 had lower feed intake (727 g/d) and average daily gain (ADG, 631 g/d) before weaning. However, feed intake (2300 g/d) and ADG (1012 g/d) were similar or even higher in TRT2 than CON (2269 g/d and 560 g/d) after weaning. This was probably due to the effect of a large amount of mannan-oligosaccharide released from PKM by β-mannanase. Salmonella was not detected any fecal samples. No significant difference was observed in the number of fecal E. coli or fecal properties including color, smell, and watery indexes among the treatments. We conclude that a calf starter containing 8% PKM with 0.1% CTCZYME<SUP>ⓡ</SUP> is comparable with a conventional starter in feed intake and growth performance of calf, which is beneficial in terms of reduction in feed cost.
Lee, Seongwon,Oh, Sangho,Son, Daegu Korean Society of Plastic and Reconstructive Surge 2020 Archives of Plastic Surgery Vol.47 No.6
Background The aim of this study was to analyze the clinical results of minimal single palmar-incision carpal tunnel release without a tourniquet. Methods We reviewed the medical records of 75 patients (90 cases of carpal tunnel syndrome) who underwent minimal single-palmar incision carpal tunnel release without a tourniquet from June 2010 to January 2018. Ten patients had a bleeding tendency. We compared the preoperative and postoperative Boston Carpal Tunnel Syndrome Questionnaire (BCTQ) scores. We also analyzed outcomes and complications according to the presence of a bleeding tendency. Results In all cases, there was a complete disappearance or marked improvement in symptoms within 6 months, with no recurrence. The postoperative BCTQ score showed a significant improvement compared to the preoperative score, and no statistically significant difference in BCTQ scores was detected according to the presence of a bleeding tendency. Conclusions Carpal tunnel release without a tourniquet using a minimal single palmar incision is effective and reliable. This technique prevents unnecessary pain associated with the tourniquet and is especially helpful in patients with a bleeding tendency or those treated with hemodialysis.
Seongwon Park,Kwangsu Cho,Bong Gyou Lee 보안공학연구지원센터 2014 International Journal of Multimedia and Ubiquitous Vol.9 No.11
Users of smartphone-based Instant Messenger such as Whatsapp, wechet, LINE and KAKAO TALK are rapidly increasing. LINE acquired more than 50 million members by December 2012 just 1 year after its release, and as of April 2014, the number of LINE mobile instant messenger users was 400 million Users. Given the rarity of research on the use of instant messengers in smartphones, this study analyzed factors affecting user satisfaction by conducting a survey on 220 users of mobile instant messengers in smartphones. The survey results showed that self-disclosure, flow, and social presence significantly affected user satisfaction. This study will benefit researchers and contribute to industries that possess interest in factors affecting user satisfaction regarding the use of smartphone applications and mobile messengers.