• Journal of the Korean Chemical Society
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• v.43 no.1
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• pp.110-118
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• 1999

In this study, the instructional influences of the conceptual change model based on the cognitive conflict and the conceptual change model emphasizing the social consensus were investigated. The subjects were 109 7th-graders in a boys' middle school in Seoul, and were taught about the changes of states, density, and dissolution for 8 class periods. The hypotheses provided in the instructions were constructed from the results of a pilot test. Prior to the instructions, three tests regarding the perceptions of discussion, the attitudes toward science instructions, and the perceptions of participation were administered. Two types of the conceptual change instructions and the traditional instruction were used in the treatment groups and the control group, respectively. After the instructions, the students' achievement, the conceptions, the perceptions of discussion, the attitudes toward science instructions, and the perceptions of participation were investigated. ANCOVA results revealed that the scores of the treatment groups were significantly higher than those of the control group in the achievement test. Although the score of the treatment group using the conceptual change model emphasizing social consensus were higher than those of other groups in the conceptions test, the differences were not statistically significant. The perceptions of discussion were significantly more positive in the treatment group using the conceptual change model emphasizing social consensus than in the control group. However, there were no significant differences in the scores of the attitudes toward science class and the perceptions of participation among the three groups. Educational implications are discussed.

• Journal of The Korean Association For Science Education
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• v.36 no.1
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• pp.103-112
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• 2016

The purpose of this study is to investigate secondary science teacher's concepts of good science teaching. To do these, I have developed a questionnaire composed of 32 good teachings on education content, instructional method, instructional environment and atmosphere and assessment categories. 136 secondary science teachers have participated in the questionnaire and were requested to show agreement. Additionally, they were requested to describe the best science teachings that they have experienced. Results are as follows: First, the best science teaching that science teachers thought is a teaching that is in full accord with students' level in education content category, a teaching with an energetic interaction in instructional method category, a teaching in a trustful atmosphere in instructional environment and atmosphere category, a teaching in which students could learn something through a teaching-related assessment in assessment category. Second, secondary science teachers thought that a self-directed learning, a differentiated instruction and a teaching with diverse materials are not important factors in good science teaching. Third, there is a difference between good teaching that secondary science teachers have conceived and good teaching that they have experienced. It shows that science teachers did not precisely understand what good science teaching is. Additionally, I discussed the need of finding a case on good science teachings and a support of an interaction-focused teaching.

• Journal of Science Education
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• v.47 no.1
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• pp.88-106
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• 2023

This study aims to investigate the disparity between the teacher's perception of student-centered inquiry classes and the actual implementation of such practices. Specifically, we compared an elementary science teacher's self-perception of her science lessons with the observers' evaluation using the Reformed Teaching Observation Protocol (RTOP) of the "Temperature and Heat" unit. Research data were collected through classroom teaching survey, interview, and science lessons video which were analyzed using the RTOP. As a result of the study, the teacher recognized that she was practicing inquiry-oriented/student-centered classes, but the results judged by the RTOP score were found to be transitional/student-affected classes by a slight difference. Teacher H planned and practiced classes based on a high understanding and content knowledge of the curriculum and created a science classroom culture that promotes active interaction among students as well as students and teachers. However, teacher-led aspects were still emphasized in teaching design and implementation, and the project theme and content were inappropriate to improve the quality of students' science inquiry experience. In the end, the slight difference between teacher's perception of inquiry-oriented/student-centered classes and actual implementation is related to how student-centered "lesson design" is and how to plan and implement classes supported by "procedural knowledge" for students' experience in the science inquiry process. These results indicate that the teacher's self-evaluation alone is not enough to determine whether the teacher's intentions and efforts are actually being implemented, and that it is necessary to conduct objective analysis, evaluation, and discuss the results of science classes by the external observers.

• Journal of Gifted/Talented Education
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• v.26 no.2
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• pp.365-387
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• 2016

This study examined the effects of students'perceptions of classroom on self-regulatory strategy use, persistent intention, and achievement in an online Science gifted program. The sample included 434 middle and high school students who participated in the 3-months online gifted program. Participants volunteerly surveyed on their perceptions of classroom (appeal, challenge, choice, meaningfulness, academic self-efficacy), self-regulatory strategy use, and persistent intention. Student achievement data was collected from online learning system. Multiple Regression was conducted to analyze the effect of students'perceptions of classroom on various dependent variables. The results of this study showed that (1) students use of rehearsal strategy was positively related to academic self-efficacy among the sub-variables of students'perceptions of classroom and the use of rehearsal strategy was negatively related to challenge; (2) the use of elaboration strategy was positively related to challenge and meaningfulness; (3) the use of time management strategy was positively related to academic self-efficacy and the use of resource management strategy was positively related to challenge; and (4) students' persistent intention was related to appeal, challenge and meaningfulness, achievement was related to challenge.

• Journal of the Korean Society for information Management
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• v.35 no.4
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• pp.237-261
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• 2018

The purpose of this study is to provide basic data for implementing library collaborative instruction (LCI) through investigating the effects of high school teachers' perceptions and experiences of school libraries on the recognition of LCI. To accomplish it, a questrionnaire survey of 198 teachers in 14 high schools in Seoul was conducted. As a result, teachers' perceptions of school libraries and school library experience had significant effects on the their willingness to implement LCI, which consisted of educational effect(EE), necessity and implementation plan(IP). In short, teachers' perception of school libraries influenced most variables in EE and did not influence necessity. All independent variables had significant effects on IP. This can be interpreted as that teachers recognize the need of LCI, but the perception of EE is influenced by conveying tool for the knowledge of LCI, such as education, promotion, and experience.

• Journal of The Korean Association For Science Education
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• v.9 no.2
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• pp.89-97
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• 1989

어떤 현상에 대한 학생들의 수업전 개념구조가 과학자들의 그것과 다를때 이 수업전개념을 간단한 정성적인 퀴즈를 통하여 학생 스스로 인식하게 하고 실험 또는 관찰을 통하여 학생 자신의 수업전개념 보다는 과학자들의 개념이 실험결과를 더 잘 설명할 수 있다는 것을 깨닫게 함으로써 학생들의 수업전 개념구조를 변화시키려는 교수모델을 고안하여 그 효과를 검토하였다. 고등학교 1학년 남학생 115 명(실험집단 58명, 비교집단 57명)과 고등학교 2학년 여학생 120명(실험집단 59명, 비교집단 61명)을 대상으로 뉴우턴 제2법칙에 대한 학습에 적용하고 2주후에 뉴우턴 제2법칙에 관한 시험(13문항)을 실시하였다. 그 결과, 퀴즈에 사용한 것과 유사한 상황을 다룬 문제에서는 실험집단의 성적이 비교집단의 성적보다 유의하게 높았다. 그러나, 같은 개념을 다루나 새로운 상황의 문제에서는 그 효과가 유의한 차이를 나타내지 않았다. 한가지 개념이 여러가지 새로운 상황속에 나타날때 학생들에게 이미 친숙한 상황과 새로운 상황사이의 유사점을 강조하며 위의 교수법을 계속하여 사용한다면 학생들의 뿌리깊이 밝힌 수업전 개념구조를 변화시킬 수 있으리라 사료된다. 위의 교수법은 학생들이 자신의 수업전 개념구조를 명확히 인식하고 그 불합리함을 깨달아야 하므로 자신의 수업전 개념구조에 근거하여 어떤 결과를 예측할 수 있는 예측논리(Expectation or biconditional Reasoning)가 형성된 이후의 학생들에게만 효과가 있으리라 가정하였으나 교수방법과 예측논리 사이에 유의한 상호작용효과(interaction offect)는 나타나지 않았다. 다만 여학생의 경우에서만 학생들에게 새로운 상황의 문제에서도 예측논리를 이미 형성한 실험집단의 평균이 이에 상응하는 비교집단의 평균보다 높았다. 이것은 남학생과 여학생을 지도한 교사의 교수경력과 학생들의 수업전 개념구조에 대한 교사의 인식정도에 큰 차이가 있었음을 고려할 때, 위의 수업방법을 사용하는 데 있어 교사가 학생들의 수업전 개념구조가 학생들의 개념획득에 얼마나 커다란 영향을 끼치는가에 대해 인식하는 것이 중요한 요인임을 시사한다.

• Journal of the Korean Chemical Society
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• v.56 no.1
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• pp.144-158
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• 2012

In this study, science teachers' and students' perceptions were searched on lectures and experiment of law of definite proportion in middle school science classes. For this study, the three teachers' lessons were observed and recorded, following interviews related to teachers' perceptions on the lessons and experiments. Also, We analyzed students' science scores, cognitive levels, science attitude, experimental reports, etc. According to the results, the three teachers had different focuses in the lectures. Chemistry teachers accentuated calculation of proportions and application rather than basic conceptions. But the students could not understand basic conceptions properly. The teachers spend long time to explain experimental procedures by assuming a low performance level of students in experimental classes. And the teachers had negative perceptions about error of results. The students could not understand the experiment results well, tried to manipulate data artificially, and had negative perceptions about error of results like the teachers. We suggested that these problems might be solved by changing teachers' perceptions on school science lectures and experiments.

• Journal of the Korea Convergence Society
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• v.9 no.4
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• pp.351-356
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• 2018

The purpose of this study was to examine the change of wellness health awareness among 168 university students od D city participating in sports physical fitness class. Wellness health awareness was surveyed using Korean Wellness Questionnaire (KWLS) and the collected data were analyzed by descriptive statistical analysis, reliability analysis, and two-way ANOVA depending on the research purpose. The results showed that the wellness health awareness of university students did not show statistically significant interaction effect between gender and class(before and after class), but differences between gender and enforcement factors were significant in some sub - area). Based on these results, it is necessary to provide intensive health management class to university students for the solution of positive change of well-being health awareness besides various physical education class by each university.

• Korean Journal of Childcare and Education
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• v.10 no.4
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• pp.97-118
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• 2014

The purpose of this study was to investigate perception and demand on early childhood science education lectures. In order to verify this purpose, it was applied to 228 pre-service teachers in a 3-year early childhood teacher - training department. There were 3 grades which finish the teacher practice. The results of this study were the following. First, they reported that the educational contents and the teaching skills they acquired in their preliminary program helped them in making class leading plans and leading skills for every activity pattern. Second, pre-service teacher wanted hands on practical activity that can be directly applied in the field.

• Proceedings of the KAIS Fall Conference
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• 2011.05b
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• pp.645-647
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• 2011

본 논문에서는 좋은 수업에 대한 전문대학 현장에서 학습자들 인식을 살펴봄으로써 전문대학 교육에 주는 시사점을 찾아보고자 하였다. 특히 강의평가의 주관식 문항을 분석하여 좋은 강의의 개념과 가이드 라인을 제시하고자 하였다. 질적 분석을 통하여 나타나 결과를 정리해 보면 첫째, 몰입할 수 있는 수업, 둘째, 공정한 평가로 동기유발을 할 수 있는 수업, 셋째, 교수와 학생, 학생과 학생의 원활한 상호작용이 있는 수업, 넷째, 교수자의 열정을 느낄 수 있는 수업을 좋은 강의로 인식하고 있었다. 이와 같은 연구 결과는 강의개선안 및 강의평가 방안 개발에 실질적으로 기여할 수 있다는데 의의가 있다.