• Title/Summary/Keyword: 코메트릭스

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An Analysis of Cohesion and Word Information among English CSAT Question Types (수능 영어 문항 유형간 응집력과 어휘정보 분석)

  • Choi, Minju;Kim, Jeong-ryeol
    • The Journal of the Korea Contents Association
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    • v.17 no.12
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    • pp.378-385
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    • 2017
  • The aim of this study was to analyze cohesion and word information among different types of questions in the English reading section of the College Scholastic Ability Tests (CSAT). The types of questions were divided into three categories: macro reading, micro reading, and indirect writing. Reading texts from 1994 to 2017 CSAT were analyzed by Coh-Metrix, an automated evaluation program of text and discourse. The findings of this study indicated that there were statistical differences among the three categories of questions for noun overlap, stem overlap, adversative and contrastive connective, additive connective, pronoun incidence, age of acquisition, concreteness for content word, imagability, and meaningfulness. The information of the findings bore pedagogic implications for developing textbooks, questions for CSAT, and reading strategies by students.

Analysis of Correlation Between Cohesion and Item Difficulty in English Reading Section of CSAT (수학능력시험 영어 읽기 지문의 응집성과 문항 난이도 간의 상관관계 분석)

  • Hwang, Leesu;Lee, Je-Young
    • The Journal of the Korea Contents Association
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    • v.20 no.5
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    • pp.344-350
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    • 2020
  • The purpose of this study was to investigate the cohesion-related text factors that affected the correct answer rate of the English reading section in the Korean CSAT. To this end, reading passages of the 2014-2018 CSAT and CSAT mock test were collected and analyzed in terms of cohesion. And then, correlation analysis was implemented between the results regarding cohesion and item difficulty. The conclusions were as follows. First, the correct answer rate tended to increase as the linguistic burden of learners was reduced, when specific arguments between sentences were repeated. Second, there was no statistically significant correlation between the 8 sub-area of latent semantic analysis and the correct answer rate. Finally, the pedagogical implications of this study and suggestions for further study were discussed.

A Experimental Study on The Durability and Mechanical of Permanent Form Mortar (비탈형영구 거푸집용 모르터의 내구성 및 역학적 특성에 관한 실험적 연구)

  • 김우재;표순주;임남기;김형남;김성식;이영도;정상진
    • Proceedings of the Korea Concrete Institute Conference
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    • 1998.04b
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    • pp.731-736
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    • 1998
  • The dynamics and Durability of Permanent Form Mortar were observed. The results were as the followings. To construct New permanent form, this study constructed permanent form with fiber mortar. In this course glass fiber and polymer, fine aggregate were substituted with river sand and crush sand. To understand material quality effect, flexible mortar and inflexible mortar were tested. According to the microstructure of polymermatrix test by SEM, higher density by Co-matrix effect from polymer addiction was observed. This is considered to increase acid-resistanc, impact proof strenght. In the test of durability of freezing and thawing, polymer mortar was proved to be water proof. It seems to be improved in its characteristics in proportion to increasing W/C ratio. When the W/C ratio is 30%, it is most effective.

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Robust Face Feature Extraction for various Pose and Expression (자세와 표정변화에 강인한 얼굴 특징 검출)

  • Jung Jae-Yoon;Jung Jin-Kwon;Cho Sung-Won;Kim Jae-Min
    • Proceedings of the Korean Institute of Intelligent Systems Conference
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    • 2005.11a
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    • pp.294-298
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    • 2005
  • 바이오메트릭스의 여러 가지 기술 중에서 얼굴인식은 지문인식, 손금인식, 홍채인식 등과는 달리 신체의 일부를 접촉시키지 않고도 원거리에 설치된 카메라를 통해 사람을 확인할 수 있는 장점을 가지고 있다. 그러나 얼굴인식은 조명변화, 표정변화 둥의 다양한 환경변화에 대단히 민감하게 반응하므로 얼굴의 특징 영역에 대한 정확한 추출이 반드시 선행되어야 한다. 얼굴의 주요 특징인 눈, 코, 입, 눈썹은 자세와 표정 그리고 생김새에 따라 다양한 위치, 크기, 형태를 가질 수 있다. 본 연구에서는 변화하는 특징 영역과 특징 점을 정확히 추출하기 위하여 얼굴을 9가지 방향으로 분류하고, 각 분류된 방향에서 특징 영역을 통계적인 형태에 따라 다시 2차로 분류하여, 각각의 형태에 대한 표준 템플릿을 생성하여 검출하는 방법을 제안한다.

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Yun Chi-ho's English Diary and English Writing Education (윤치호 영어 일기와 영어 쓰기 교육)

  • Seo, Min-Won
    • The Journal of the Korea Contents Association
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    • v.14 no.8
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    • pp.528-541
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    • 2014
  • The purpose of this study is to analyze Yun Chi-ho's English Diary both quantitatively and qualitatively. A corpus of 574 diary texts is created from his first and last years in an English speaking environment, and analyzed by two language analysis programs, RANGE and Coh-Metrix. His later diaries have more words in total, and longer average sentence length than his earlier diaries. Also, the Coh-Metrix indices in syntactic complexity and referential cohesion are higher in his later diaries. A qualitative analysis of 57 diary texts shows some improvement in his use of language forms. The most frequent topics of his journals are Christianity, everyday life, politics of Korea and his English studies. His constant effort to keep his journal and correspondence with foreigners, almost all in English, is estimated as one of the key factors for his successful English acquisition. Educational implications for EFL writing courses are discussed.

Analysis of the Continuity of Reading Passages in the 5th and 6th Grade Elementary School English Textbooks Based on Readability (이독성을 통한 초등학교 5, 6학년 영어 교과서 읽기 지문의 연계성 분석)

  • Jang, Hankyeol;Lee, Je-Young
    • The Journal of the Korea Contents Association
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    • v.22 no.6
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    • pp.116-124
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    • 2022
  • The purpose of this study is to examine the vertical and horizontal continuity between grades and publishers, respectively, by analyzing the readability of reading passages included in English textbooks for 5th and 6th grades of elementary school. In order to do so, a corpus was constructed with the reading passages contained in 10 textbooks, and the reading passages in each textbook were analyzed through Coh-Metrix. Also, it was examined whether there was a statistically significant difference between grades and publishers in readability through one-way ANOVA. The results are as follows. First, as a result of analyzing the difference in readability between publishers within the same grade, there was a statistically significant difference between fifth-grade textbooks in the L2 readability index. Second, as a result of analyzing the vertical continuity between grades within the publisher, the difficulty of textbook A was higher in grade 6 than grade 5 based on FRE and FKGL, which showed a statistically significant difference. On the other hand, when L2 readability was used as the standard, the difficulty of textbook B was lower in 6th grade than in 5th grade. This result seems to be because FRE and FKGL calculate readability based on sentence and word length, whereas L2 readability is based on content word overlap, word frequency, and syntactic similarity of sentences.