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      • KCI등재

        국어교육 내 매체 교육 변화 양상 탐색

        이영창,오현아 한국국어교육학회 2014 새국어교육 Vol.0 No.101

        The advance of media has a direct, indirect impact on the lives of students and this phenomenon is being recognized within Korean language education, leading to media education in progress. Thus, at this point it is necessary to examine the aspects of development of media education, because this examination educators to seek the direction of media language education. As a result, this study attempted to look into the research history media education, the look and development that have appeared in Korean language curriculum from the 1st to the 2011 revised national curriculum, and the aspects of the development, that is, how textbooks reflect the development. There have been few studies on the history of development in media education. This study divided the aspects of development of each media education for discussion, which have appeared in Korean language curriculum and textbooks. The aspects of development of each media education in Korean language curriculum were discussed by dividing them into a stage of media recognition gestation, a stage of media education downturn, a stage of interest in media resources reading, and a stage of interest in media resources using. Textbooks were discussed by dividing them into a gestation stage of media education recognition, an recognition stage of linguistic properties gestation of media, a stage of interest in media resources reading, an interest stage in media resources use, and an intensified stage of linguistic properties recognition. This study is significant in that it provided a base for effective media education along with the future direction of media education. 매체의 발달은 학습자의 생활에 직․간접적인 영향을 미치고 국어과 교육에서도 이러한 현상을 수용하여 매체 관련 교육이 이루어지고 있는 현시점에서 국어교육 내 매체 교육 변화 양상을 고찰하는 것은 국어과 매체 교육의 방향을 모색할 수 있기 때문에 필요하다. 이에 따라 본고는 매체 교육 연구사를 살펴보고, 1차〜2011 개정 교육과정까지 국어과 교육과정에 나타난 매체 교육 변화 모습과 교과서에서 반영 양상을 살펴보고자 하였다. 매체 교육 변천사에 관한 연구는 소략한데, 이 논의에서는 국어과 교육과정과 교과서에 나타난 각각의 매체 교육 변화 양상을 나누어 살펴보았다. 국어과 교육과정에 나타난 매체 교육 변화 양상은 매체 인식 태동 단계, 매체 교육 침체 단계, 매체 자료 읽기 관심 단계, 매체 자료 활용 관심 단계로 나누어 논의하였다. 교과서는 매체 교육 인식 태동 단계, 매체의 언어적 속성 인식 태동 단계, 매체 교육 침체 단계, 매체 자료 읽기 관심 단계, 매체 자료 활용 관심 단계, 매체의 언어적 속성 인식 심화 단계로 나누어 논의하였다. 본 논의는 매체 교육의 향방과 더불어 효과적인 매체 교육을 위한 기반을 제공했다는 점에서 의의가 있다.

      • KCI등재

        기억재료의 난이도와 연관성에 따른 틀린 인출의 기억촉진효과

        이영창,방혜영,곽진선,민윤기 한국인지및생물심리학회 2016 한국심리학회지 인지 및 생물 Vol.28 No.2

        This study is conducted to confirm the influence of quantitative and qualitative characteristics, difficulty and relatedness between memory materials, on memory enhancement effect of unsuccessful retrieval. For this purpose, memory materials, the word pairs, are classified into four categories according to difficulty(2) and relatedness(2). The words of pairs have similar frequency of use. Then, participants learned the materials attempting unsuccessful retrieval and the results are measured as Recollection rates. The experiment is designed as between participants for difficulty(2) and relatedness(2), so two-way ANOVA between groups is performed. As a result, main effects of difficulty and relatedness are significant in both immediate and delayed recall test. Specifically, recollection rates of low difficulty group are better than high group and the rates of high relatedness group are better than low group. In addition, aspects of the rates for difficulty and relatedness are similar both in the immediate and delayed test. It means both quantitative and qualitative characteristics of memory materials, difficulty and relatedness, influence on memory enhancement effect of unsuccessful retrieval, even in delayed test condition. 본 연구는 단어 쌍 자극을 사용하여 기억재료의 양적인 특성인 난이도(음절 수)와 질적인 특성인 연관성(의미적 관계성)이 틀린 인출의 기억촉진효과에 미치는 영향을 살펴보았다. 이를 위해 사용빈도가 유사한 단어들을 이용하여 고난이도-고연관 자극, 고난이도-저연관 자극, 저난이도 고연관 자극, 그리고 저난이도-저연관 자극으로 구분하고 틀린 인출시도를 통한 학습을 수행한 후 정확회상률을 측정하였다. 실험은 난이도(2)와 연관성(2)에 따른 집단 간 설계로 수행되었으며, 집단 간 이원변량분석을 실시하였다. 그 결과, 즉시회상과 지연회상 모두 난이도와 연관성의 주효과가 유의미한 것으로 나타났다. 세부적으로 고난이도 집단에 비해 저난이도 집단의 정확회상률이 우수했으며, 저연관 집단에 비해 고연관 집단의 정확회상률이 우수한 것으로 나타났다. 또한 즉시회상과 지연회상 모두 난이도와 연관성에 따른 정확회상률의 변화경향성이 유사한 것으로 나타났다. 이는 기억재료의 양적인 특성(난이도)과 질적인 특성(연관성)이 모두 틀린 인출의 기억촉진효과에 영향을 미치며, 일정시간이 지연된 후에도 유지된다는 것을 의미한다.

      • SCOPUSKCI등재

        거대 표재성 분포형 조기위암 1예

        이영창,김홍수,이문호,장재영,김선주,김대중,박상흠,정일권,성재락,오제호,목지오 대한소화기내시경학회 1997 Clinical Endoscopy Vol.17 No.3

        Superficial spreading stomach cancer, as first described by Stout in 1942, is superficially spreading cancer confined to mucosa and submucosa, and measuring up to 10 cm in diameter. Clinical manifestation is peptic ulcer like symptom with a long duration, and a gross appearance is characterized by reddening, irregular and slight nodular thickening of the involved mucosa. We should be careful to differentiate chronic atrophie gastritis or multiple superficial gastric erosions from superficial spreading stomach cancer. It is classified to a subtype of early gastric cancer type Ilc(IIc$quot;) and the prognosis is as good as early gastric cancer. A 60-yearold woman was admitted to our hospital because of epigastric pain for 2 years. She was confirmed to have superficial spreading stomach cancer by gastroduodenoscopy, endoseopic ultrasonography, and operation. We report a case of superficial spreading stomach cancer with a review of relevant literatures.

      • KCI등재

        트리암시놀론이 배양망막상피세포에서 생산된 혈관형성관련인자에 미치는 영향

        이영창,윤태중,최광주,김대현,Young Chang Lee,Tae Jung Yoon,Gwang Ju Choi,Dae Hyun Kim 대한안과학회 2009 대한안과학회지 Vol.50 No.4

        Purpose: To examine the effects of triamcinolone on angiogenesis related factors in cultured human retinal pigment epithelial cells Methods: Human retinal pigment epithelial cells were exposed to triamcinolone, cultured in a hypoxic environment, and expression and production of VEGF and PEDF were subsequently tested by RT-PCR and Western blot. Angiogenesis was measured via a tube formation assay using ECV 304 cells and with a migration assay using human dermal microvascular endothelial cells. Results: Expression and production of VEGF and PEDF were tested by RT-PCR and Western blot, respectively. VEGF abundance was reduced while that of PEDF was unchanged in triamcinolone exposed retinal pigment epithelial cells cultured in hypoxic environment compared with cells with no treatment in hypoxic environment (p<0.05). Tube formation and cell migration were reduced by triamcinolone (p<0.05). Conclusions: These results suggest that triamcinolone affects the secretion of angiogenesis-related factors and suppresses neovascularization. J Korean Ophthalmol Soc 2009;50(4):594-602

      • KCI등재후보

        Characteristics of woodland changes in an agricultural landscape - The case of Gwangju

        이영창,정운주,김근호,Lee, Young-Chang,Jung, Woon-Joo,Kim, Keun-Ho Institute of Agricultural Science 2011 Korean Journal of Agricultural Science Vol.38 No.3

        Recent landscape changes from human activities, such as agricultural development and urbanisation frequently result in the loss of habitats, the reduction in habitat patch size and an increasing isolation of habitat patches. However, there is little information on woodland changes in agricultural landscapes. Therefore, the aim of this research was to assess spatial characteristics and changes of woodland in an agricultural landscape and how these may have had an impact on ecological process for 33 years. One of the agricultural landscape character units was analysed based on aerial photographs from 1976, 1983, 1994, 2002 and 2009 in Gwangju city. The results indicated that landscape ecological metrics clearly showed that they could be used to monitor changes of woodland ecological conditions during the past 33 years. The results imply that particularly human activities have been leading to the decrease of the mean size of woodland patches and finally result in woodland isolation. These changes may have a negative impact on woodland bird species in the study area. This woodland information can be used to identify the potential and specific needs for setting priorities for conservation planning.

      • KCI등재

        Changes of Behavioral and Physiological Responses Caused by Color Temperature

        이영창,민윤기,민병찬,김보성 한국감성과학회 2015 감성과학 Vol.18 No.2

        LED lighting has an advantage of adjusting color temperature. This change of color temperature may derive change in behavioral and physiological responses of the visual perception for indoor environments. This research examined the changes of behavioral and physiological responses caused by the color temperature. The environment was configured that the indoor temperature was 20 degrees centigrade or less as the perceived uncomfortable environment in winter. Then, the comfortable sensation vote (CSV) and the results of 3-back working memory test were measured as behavioral responses. In addition, the Electrodermal Activity (EDA) and Electrocardiogram (ECG) were measured as the responses of autonomics nervous system (ANS) in the three conditions of color temperature (red: 3862K, white: 5052K, blue: 11,460K). As a result, behavioral responses were not significant by the condition of color temperature, but the tendency of occupants’ physiological relaxation appeared in the blue color temperature condition compared with the white color temperature condition. Although the color temperature of LED lighting might be a small factor in terms of the characteristics of indoor environment, it suggests that the color temperature could have an impact on the physiological changes in the parasympathetic nervous system.

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