• Title/Summary/Keyword: Chemistry Academic Achievement

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Analysis of Doctor' Dissertations in Science Education Produced mainly by the Universities in the USA. (미국대학을 중심으로한 과학교육분야 박사학위 논문분석)

  • Park, Kyu-Eun;Kim, Kyu-Yong;Oh, Duck-Chul
    • Journal of The Korean Association For Science Education
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    • v.11 no.1
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    • pp.73-81
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    • 1991
  • The condensed results of the analytical study on 361 doctoral dissertations in science education recorded in Dissertation Abstracts International during the years of 1985-1989 are as follows: About eighty to hundred dissertations were produced annually, but a slight decline in number was noted currently. About 94.4% of dissertations were produced by the universities in the USA The research data of 361 dissertations were collected from 25 countries. Over 40% of total dissertations had been focused on high school(senior middle school) and college students as the source of research. Disciplines of science constituting the background of dissertations were biology(l9.l%), physics(l2.7%), chemistry(12.0%) and earth science(2.5%). Concerning the research branches, the number of dissertations belonging to complex research(composed of experimental and theoretical research) was 118(32.7%) and those belonging to experimental and theoretical research were 88(24.4%) and 74(20.5%) respectively. Also that belonging to computer-aided research was 45(12.5%). The general methods of data collection were examination & test(34.9%), questionaire(22.2%) and complexmethod(9.1%). The main areas of dissertations were academic achievement(31.8%), teaching assessment(20.2%) and pedagogy(l8.8%).

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A Survey of the Actual Conditions of Operation and Perceptions of Science Teachers and Students Regarding the 7th Elective-Centered Curriculum of High School Science Subjects (제7차 선택중심 고등학교 과학과 교육과정의 운영 실태와 과학교사 및 학생들의 인식 조사)

  • Choi, Soon-Hwa;Kim, Eun-Suk;Kwon, Oh-Kyoung;Oh, Chang-Ho;Park, Kuk-Tae
    • Journal of the Korean Chemical Society
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    • v.52 no.1
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    • pp.96-106
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    • 2008
  • The purpose of this study was to identify the actual conditions of operation in school and investigate the perceptions of science teachers and students regarding the 7th elective-centered curriculum of high school science subjects. For this study, a questionnaire survey was conducted for the selected subjects including 127 high school science teachers and 763 high school students in their third year who had experienced the 7th elective-centered curriculum. As a result of the study, concerning the way to present the elective subjects of science, many cases were the alternative way and the group-elective way in humanity courses while natural science courses had the alternative way and the free-elective way in most cases. In other words, in many cases, the right of elective was given within a limited range. The result of the investigation on science teachers' perceptions on the elective-centered curriculum was that negative views dominated as a whole. Especially, earth science teachers showed the most negative attitudes. The number of biology and chemistry teachers who supported students' right to opt subjects were lower than that of physics teachers and earth science teachers who were against it. To help students make a right choice, many viewed that the system of the college Scholastic Ability Test should be complemented in order to prevent any disadvantage to each elective subject or that it was necessary to have systematic and realistic career education. As the result of investigating the perception of high school students in their third year regarding the elective-centered curriculum, they were usually not very satisfied with it. As the reason for it, many said the selection right was limited. Many others also expressed that there were lack of public relations and education on subjects and careers. Based on these results, limits still exist in accepting all demands although there are a lot of efforts made to smoothly adjust supply and demand of science teachers as well as students' electives in the field of school. It is considered necessary to come up with counterplan and complements to prevent basic science from being neglected or lower academic achievement in the subject of science from happening, and at the same time to harmoniously deal with supply and demand of science teachers as well as the issues of students' demands given the actual conditions of school.

The Study of the Mode Effect between Computer-based and Paper-based Science Tests in TIMSS 2019 (TIMSS 2019 과학 문항에서 컴퓨터 기반 평가와 지필 평가 간의 검사 매체 차이 탐색)

  • Kim, Hyun-Kyung
    • Journal of the Korean Chemical Society
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    • v.65 no.1
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    • pp.48-57
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    • 2021
  • This study analyzed the science assessment items that were conducted by the paper and the computer-based assessment in the TIMSS 2019 pre-test, which is an international academic achievement assessment. We examined whether the test mode influenced the percentage of items answered correctly by each graders. As a result, there was no significant difference in the correct answer rates of science items according to the test media in 4th and 8th graders. Looking at the each graders, the difference in the percentage of correct answers was relatively large in the fourth grader rather than the eighth grader. In terms of items, the difference in the percentage of correct answers was relatively larger for the constructed items than the multiple choice questions. As a result of analyzing the content of science and assessment items on the influence of the test media, the multiple choice items showed little difference between the paper and the computer-based assessment items, but the answer-type items tended to have a lower percentage of correct answers than the paper-based assessment. In addition, by grade, 4th graders showed lower percentages of correct answers in the constructed items than 8th graders. This study provides implications related to the development and introduction of computer-based assessment in Korea, and suggests an educational implications for computer-based assessment to be well established as school evaluation.

Science and Technology ODA Promotion of Korea through ICT of Global Problem Solving Centers -Suggestion on the mid- and short-term projects promotion of science and technology ODA roadmap- (글로벌문제해결거점 ICT화를 통한 한국형 과학기술 ODA 추진 -과학기술 ODA 중·단기 과제 추진에 대한 제언-)

  • Jung, Woo-Kyun;Shin, Kwanwoo;Jeong, Seongpil;Park, Hunkyun;Park, Eun Sun;Ahn, Sung-Hoon
    • Journal of Appropriate Technology
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    • v.7 no.2
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    • pp.162-171
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    • 2021
  • The Korean government proposed the K-SDGs in 2019 to promote the UN SDGs, but the role and tasks of science and technology, an important means of implementing the SDGs, have not been materialized. Accordingly, the role of science and technology ODA for the SDGs was established through the Ministry of Science and ICT's policy research project 'Science and Technology ODA Promotion Roadmap for Spreading the New Southern Policy and Realizing the 2030 SDGs'. In addition, goals, strategies, and core tasks for the next 10 years were derived in 10 fields such as water, climate change, energy, and ICT. In this paper, we analyze 30 key tasks of the ODA promotion roadmap for science and technology for the realization of SDGs, and propose mid- and short-term tasks and implementation plans for effective roadmap promotion. Among the key tasks in each field, four common elements were derived: ICT/smartization, a global problem-solving center, cooperation/communication platform, and business model/startup support platform/living lab that can create and integrate roadmap implementation conditions. In addition, the four mid- and short-term tasks, 1) Establishment of science and technology ODA network, 2) Establishment of living lab business platform linked to start-up support business, 3) Local smartization of recipient countries, and 4) Expand and secure sustainability of global problem-solving centers, were set in relation to the implementation of the detailed roadmap. For the derived mid- and short-term tasks, detailed implementation plans based on the ICTization of global problem-solving centers were presented. The implementation of the mid- and short-term tasks presented in this paper can contribute to the more effective achievement of the science and technology ODA roadmap, and it is expected that Korea's implementation of SDGs will also achieve high performance.