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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of The Korean Association For Science Education
Journal Basic Information
Journal DOI :
The Korean Association for Research In Science Education
Editor in Chief :
Volume & Issues
Volume 20, Issue 4 - Dec 2000
Volume 20, Issue 3 - Sep 2000
Volume 20, Issue 2 - Jun 2000
Volume 20, Issue 1 - Mar 2000
Selecting the target year
Analysis of Verbal Interaction in Small Group Discussion
Kang, Suk-Jin ; Kim, Chang-Min ; Noh, Tae-Hee ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 353~363
In this study, discourse patterns of four peer small groups in learning science concepts were examined. Verbal interactions during small group discussions were audio- and video-taped, transcribed, and analyzed. Three coding frameworks for the levels of turns, interaction units, and episodes were developed. In the analyses of turns, no clear relationships between students' prior achievements and contributions to knowledge building processes were found. Partly participating modes and symmetrical interaction modes were dominant in the analyses of interaction units to suggest that some students did not participate actively in small group discussions and that students' verbal interactions were superficial. The analyses of episodes also indicated that agreeing and/or partial elaborating on group members' ideas were the most frequent patterns and dialectical exchanges were rare in small group discussion.
The Conceptions of High School Students about Acid Rain, Ozone Layer, and Greenhouse Effect
Han, Jae-Young ; Jeong, Yeong-Seon ; Noh, Tae-Hee ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 364~370
In this study, 10th-grade students' conceptions concerning acid rain, ozone layer, and greenhouse effect were investigated. A conception test that asked to explain about the three concepts and the relationships among them was administered to 137 students. Analysis of their responses indicated that students had lack of understanding about the definition of acid rain, the difference between greenhouse effect and global warming, and how to prevent the increase in greenhouse effect. They also confused ozone layer with greenhouse effect. Many students thought that there were causal relationships among the increase of acid rain, the destruction of ozone layer, and the increase in greenhouse effect.
The Effect of Sports Experiential Learning Activities on Junior High School Students' Learning about Force and Motion
Oh, Kyoung-Jin ; Im, Sung-Min ; Pak, Sung-Jae ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 371~383
The purpose of this study is to compare junior high school students' conceptual changes about force and motion and their interest in science between a group with the instruction including sports experiential learning activities and a group with traditional instruction. In addition, for a group with sports experiential learning activities, students' conceptual changes and interest were examined according to the degree of their sports-experience before the instruction.The subject was 7th-grade students(N=82), and they were divided into two groups: experimental group and control group. The conceptual changes were positive in both groups. In the multiple choice questions the experimental group students(20.0%) were more positively changed than the control group students(17.2%). The number of students who responded with the right explanation increased 26.7% in the experimental group and 10.4% in the control group. The interest of the control group was significantly increased in the topic dimension(p<0.05). The interest of the experimental group was significantly increased in the experiential activity and the communicative activity(p<0.05). Students who had much sports-experience showed the most positive changes. Moreover the interest of these students was especially increased in internal motive, receptive activity, experiential activity, and communicative activity.
Development and Application of Performance Assessment Materials for a Biology Unit of Middle School Science 1
Cho, Jung-Il ; Yoo, Hyung-Bin ; Rho, Young-Ji ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 384~395
Recently performance assessments have been recommended as an alternative to traditional assessment methods such as multiple-choice written test. Performance assessment is suggested to facilitate students' creativity, participation and learning motivations in science classes. In this study, performance assessment materials were developed for a biology unit of middle school science 1, 'Plants Around Us', and then the assessment materials were applied to assess students' understandings and attitudes related to each topic of the unit. A total of 186 7th grade students at a southern large city participated in this study. From the study, the following were obtained: 1. Various type of the performance assessment materials, such as observation report, peer evaluation, interview have been developed for the unit 'Plants around us.' 2. Students' understandings on the topics appeared to be sound, and the students' interest and cooperative problem-solving abilities have been cultivated through the small group activities. The science classes became more student-centered. 3. Teacher's burden has increased due to the practices of performance assessment, but it could be handled by teacher's commitment and management skills. 4. The students' responses to performance assessments were positive, in general.
A Comparison between BSCS's Guide and the Korean Curriculum for Developing Biological Literacy
Koo, Soo-Jeong ; Kim, Young-Shin ; Kim, Byung-Suk ; Lee, Sung-Jo ; Chung, Wan-Ho ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 396~410
In this study, the concept presentation form, the content coherence of sub-dimensional concepts and the number of concepts of the 6th and the 7th Korean curriculum were analyzed comparing the guide to developing the secondary biology curricula to develop biological literacy with BSCS. According to the result, the discrimination between concept levels in the frame of contents of the Korean curricula is insufficient, because each of concepts presented in the knowledge domain as upper level and sub-dimensional concept elements as lower level are simply arrayed. Considering too much concepts of ecosystem, genetics, reproduction and metabolism, there should be an effort to reform the biological curriculum to include concepts evenly, not in the biased state, to reflect all the 6 unifying principles by BSCS for developing students' biological literacy. Finally there should be an effort to reflect the characteristics of each subjects concretely among Science 10, Biology I and Biology IT in the 7th curriculum considering the result that essential concepts to develop biological literacy are presented more in some principles of Biology II than Biology I. Thinking the results of the present study, concrete discussions should be made to set up the standard reference about biological literacy and to present essential concepts for teaching and learning to develop it in the process of biology textbook development for meeting the 7th Korean curriculum and in the development of 8th Korean curriculum in advance.
Students' Understanding about the Analogies for Physics Concepts Used in Korean Middle School Science Textbooks
Kim, Young-Min ; Park, Hee-Sook ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 411~420
The purpose of this study was to investigate how many students understood the analogies for physics concepts used in middle school science textbooks, and which types of analogies they understood better than others. We classified the analogies into the following 4 types: verbal and simple analogy, verbal and enriched analogy, pictorial and simple analogy, and pictorial and enriched analogy. For the study, 46 students were sampled from a middle school in Ulsan city in Korea, and a tool for testing their understanding of analogies were developed. The tool is composed of 8 items, and its face validity about contents and difficulty was verified by 5 experts. It was found that in average only about 50% of the students understood the analogies in the middle school science textbooks averagely, and that the students understood pictorial and simple analogies better than the other types of analogies.
The Effects of Portfolio Instruction on the Creativity and Scientific Inquiry Ability of Students in Elementary Science Classroom
Han, Se-Ran ; Kwon, Chi-Soon ; Kim, Chan-Jong ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 421~431
The purpose of this study is to investigate the effects of portfolio instruction on the creativity and scientific inquiry ability of 6th-grade students in science classroom. Four classes were sampled from an urban elementary school in southern part of Seoul. Two classes were assigned to experimental group and the other two classes to control group. Portfolio instruction was administered to the experimental group for 10 weeks, and traditional instruction to the control group. Data on students' creativity and scientific inquiry ability were collected prior to and after the treatment for both groups. Students' perception on portfolio instruction was investigated with experimental group after the treatment. The results of this study are as follows: (1) Portfolio instruction had a significant positive effect on creativity; (2) Students' originality, one of sub-domain of creativity, showed marked increase after portfolio instruction; (3) Portfolio instruction had a significant positive effect on scientific inquiry ability; (4) Integrated inquiry ability, a sub-domain of inquiry ability, improved meaningfully after portfolio instruction; and (4) Students' perception on portfolio instruction is very positive.
Analysis of 'Electric Current' and 'Battery' Units in Elementary and Middle School Science Textbooks on the Basis of Particle and Energy Concepts
Yoo, Seoung-Lee ; Paik, Seong-Hey ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 432~442
In this study, the contents of 'electric current' and 'battery' units in elementary and middle school science textbooks were analyzed on the basis of particle and energy concepts. Many problems, reported previously on students' misconceptions about those area, were found in science textbooks. Electric current and battery were covered in both physics and chemistry parts of science textbooks. However, the lack of particle concept in physics units and the lack of energy concept in chemistry units seemed to make it difficult for students to learn those concepts. The descriptions about the two concepts were also not consistent even in the same discipline units. In order to solve these problems, the integration of the views on the particulate nature of matter and energy in the science curriculum and reconstruction of science textbooks were needed.
The Backgrounds and Roles of the Science Educators during the Enlightenment Period of Korea
Park, Jon-Seok ; Chung, Byung-Hoon ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 443~454
The compilers of science textbooks during the enlightenment period of Korea had been active in teaching and writing of science education. Thus a research on their social and educational backgrounds would help us to understand the historical process of the formation of Korean science education. In finding out their backgrounds, the official government resumes and the bulletins of an academic society were used. It was found that seven compilers of science textbooks, with their known resumes and bulletins, studied in Japan and another six studied in Korea. However, most students who studied in Japan with the support from Korean government returned to Korea and took an active part in education. In the first place, they had written the scientific articles in the bulletins. Then, they published school textbooks, including science textbooks. However, their roles in the science education replaced with the Japanese teachers with the lapse of time. Furthermore, since they were rather specialists in translation than in subject matters and studies applied sciences in technical colleges, they did little to foster science and could not form a firm basis for an independent internal structure of science education in Korea.
The Characteristics of Formative Assessments Practiced in Middle School Science Teaching from a Constructivist Perspective
Seung, Eul-Sun ; Nam, Jeong-Hee ; Choi, Byung-Soon ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 455~467
The purpose of this study was to investigate the characteristics of formative assessments practiced in middle school science teaching from a constructivist perspective. In order to examine the practices of formative assessments in science teaching, 7 science classes were observed and video-taped for each of 2 instructions. We also interviewed the teachers and 3 students per each class with semi-structured questions. The findings indicated that 3 types of formative assessments were generally used in science teaching; planned, interactive, and transitional from planned to interactive. Teachers tended to assess students' personal, social, and scientific developments through formative assessments. The assessment of scientific development was the most frequent pattern and was classified into the assessments of content, process, and context. However, formative assessments concerning content covered in class were dominant. The processes of formative assessments consisted of three interdependent stages; getting informations from students, judging their responses, and giving feedbacks to them. The types of questions and feedbacks used were also influenced by the extent of interactions between the teachers and the students.
The Effects of a Teaching Strategy Based on the Interactive Formative Assessment in Middle School Science Class
Park, Jong-Yoon ; Nam, Jeong-Hee ; Yoo, Hee-Sun ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 468~478
In this study, the effects of a teaching strategy based on interactive formative assessment on students' science concept understandings and science-related attitudes were investigated. Students' perceptions toward this teaching strategy were also examined. Eight classes chosen from a co-ed middle school in Seoul. Four classes were assigned to the experimental group and the other four classes were assigned to the control group. After the instructions, tests regarding students' conceptions and science-related attitudes were administered. We also interviewed 24 students randomly chosen from the experimental group to investigate their perceptions toward the teaching strategy used. The results showed that the teaching strategy used was more effective for enhancing students' science concept understandings. However, there was no significant difference in science-related attitudes between the two groups. For the experimental group, no significant differences were found in the gain scores of the conceptions tests between the subgroups by previous achievement or cognitive levels. From interviews, it was found that students thought that the teaching strategy used encouraged much interactions and motivated them to think, and that teacher's appropriate feedbacks were helpful to their understanding scientific concepts.
The Effects of Formative Assessment with Detailed Feedback on Students' Science Achievement, Attitude, and Interaction between Teacher and Students
Lee, Hyun-Ju ; Choi, Kyung-Hee ; Nam, Jeong-Hee ;
Journal of The Korean Association For Science Education, volume 20, issue 3, 2000, Pages 479~490
The purpose of this study was to examine the effects of formative assessment with detailed feedback on students' science achievement, attitude, and interactions between the teacher and the students. For the study, 133 seventh graders were selected from a girl's middle school in Seoul, and assigned to the experimental and the control groups. The duration of the treatment was over a period of nine weeks. In the experimental group, detailed feedbacks on the solution, teacher's comments on the results, and relevant references were provided after each formative assessment. However, only the answers were presented in the control group. Prior to instructions, a achievement and a attitude tests were administered. After the instructions, follow-up tests which were similar to the pretests were also administered. The results showed significant difference between the two groups in science achievement. It was found that the usage of formative assessments with detailed and supportive feedbacks was more effective in stimulating students' interest, raising their confidence in the subject, increasing their participation, as well as reducing their anxiety. The results also strongly indicated that detailed feedbacks were more effective in improving the interactions of the teacher and the students. The results strongly suggest that formative assessment utilizing detailed and supportive feedback is a necessary component of effective science teaching and learning.