• 한국과학교육학회지
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• 제32권3호
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• pp.415-427
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• 2012

In this study, we conducted preliminary survey, diagnostic test and in-depth interview in order to study Korean pre-service chemistry teachers' understanding on entropy and investigate how Korean pre-service chemistry teachers deal with the natural phenomenon which is related to entropy conceptions. Firstly, as a result of the preliminary survey, it was found that pre-service chemistry teachers strongly recognized entropy as the degree of disorder. Secondly, the diagnostic test showed pre-service chemistry teachers were mostly confused about whether the entropy of the universe increases during a spontaneous change, and they had a tendency to interpret the natural phenomenon related to entropy change as the change of disorder. Finally, during in-depth interview, after we explained entropy change in all diagnostic test questions with the concept of microstate, pre-service chemistry teachers revealed a better understanding about entropy. Through this research, pre-service chemistry teachers had an opportunity to reflect on their deficiencies of entropy conceptions, which will ultimately help students to approach the concept of entropy more correctly.

• 한국의류산업학회지
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• 제12권3호
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• pp.265-271
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• 2010

This study aims at academically organizing fashion coordination methods for interview image-making, which have been attempted through seminars in companies and universities, through empirical studies including previous studies and surveys conducted by groups of experts. The methods of this study include theoretical considerations through literature and empirical considerations such as one-to-one interviews and surveys of groups of experts in the areas of fashion and interview. Through these methods, this study examined elements of image-making characteristics of fashion for an interview, which are required for an interview, by investigating and analyzing interview image-making. As a result of the examination, the characteristics of proper clothes for an interview are as follows; Items of clothes: tailored, tuxedo, Chanel, Eton, blazer jackets, button-down and dress shirts, shirt waist, bow, Gibson blouses, tight, A-line, gored, pleats, flared skirts and straight, boot-cut and ankle pants. Color: achromatic colors including white, gray, black, navy, pink and yellow. Patterns: solid, stripe, and basket check.

• 한국수학교육학회지시리즈A:수학교육
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• 제52권2호
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• pp.175-190
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• 2013

The purpose of this article is to suggest using portfolio for professional development of secondary pre-service mathematics teachers based on actual application case. To achieve this goal, 28 pre-service mathematics teachers developed their own portfolios in the regular study course for one semester under the pre-planned components of portfolio. Then they participated in the survey of their beliefs in mathematics and mathematics education and in the structured interview for drawing implications of using a pre-service mathematics teacher portfolio. According to the collected data, developing a pre-service mathematics teacher portfolio made a significant difference in beliefs of mathematics teachers' roles and showed the potential to improve the professional development of pre-service mathematics teachers as well as their learning. Continued investigation for more effective components of a pre-service mathematics teacher portfolio would be needed.

• 한국초등과학교육학회지:초등과학교육
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• 제36권3호
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• pp.219-226
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• 2017

In this study, the reliability and validity of the retrospective pre-post test were analyzed in order to solve the problem of traditional pre-post test including response shift bias. Samples of the study were 162 elementary school students who are studying at the S university gifted education center in Seoul. Before completion of the field trip, we conducted pre test of science-related attitudes. After completion of the field trip, respondents were asked to compare their responses of pre and post science-related attitudes to quantitatively analyze the commonalities and differences of the two tests. To find out more characteristics, qualitative data such as daily records and interview were also gathered and analyzed. The major results of the study are as follows. First, for the paired t-test, there was no statistically significant difference between separate pre-test scores and retrospective pre-test. There was a very high correlation between the separate pre-test scores and the retrospective pre-test. Second, there were significant differences in all seven sub-factors of science-related attitudes between the retrospective pre-test and the post-test. Third, the separate pre-test scores showed a slightly higher tendency than the retrospective pre-test scores. This suggests that the response shift bias appears when it is performed the separate pre-test in affective domain. As a result of the interview, it was found that the evaluation standards of separate pre-test did not match with those of post-test. Forth, internal consistency reliability of the retrospective pre-test was higher than that of the separate pre-test. However, there were significant differences in six factors of science-related attitudes excluding the 'social implications of science' between the separate pre-test and the post-test. Based on these results, the retrospective pre-post test design provides simplicity and convenience to both respondents and investigators, as it is done with one test. The retrospective pre-post test design can be regarded as a valid design for the self-report measurement of affective domain on a single experimental group.

• 한국어교육
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• 제28권4호
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• pp.63-86
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• 2017

This research aims to evaluate the effects and the shortcomings of strategies for teaching paraphrasing to foreign university students. For this study, the effects of teaching paraphrasing skills on student's academic writing was investigated through the assessment of pre- and post-test writing tasks and through a focus group interview. The teaching of paraphrasing was divided into 3 instructional sessions and the focus group interview was conducted at the end of the last session. After each instructional session three trained assessors evaluated the outcomes of pre and post task writings; the in-depth focus group interviews were conducted on seven of the students in order to define better positive effects as well as shortcomings. By comparing the scores of pre- and post-task assignments it is possible to affirm that there is a meaningful difference for overall scores; moreover, in an analysis conducted on each single sub-element of the paraphrasing skill, it emerged that except for "task completion", all other four elements of "structure", "understanding core content", "change of expression" and "academic expressions" showed a statistically significant improvement in performance. On the other hand, as a result of the focus group interview, it was possible to individuate as main shortcomings insufficient vocabulary knowledge, poor overall comprehension of the reference material, lack of practice and difficulty in connect sentences organically. It is possible to consider these elements as limiting factors in understanding the reference material and making correct citations by the students. Therefore, we suggest as supplementary instructional strategies a deeper attention to the difficulty level of the text, the introduction of devices to understand better the content of the reference material and an integrated practice of the paraphrasing skill.

• 한국심리학회지:법
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• 제12권1호
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• pp.53-73
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• 2021

본 연구는 폴리그래프 검사에서 라포 형성 여부에 따른 피검사자의 심리생리적 반응 차이를 비교한 실험연구이다. 본 연구는 참가자 간 설계로 진실성과 라포 형성 여부에 따라 조건별로 일반 성인 84명을 무작위 할당하여 심리생리적 반응을 ESS(Empirical Scoring System) 총점으로 측정하였다. 제한된 시간 내 간단한 몇 가지 과제를 수행하도록 한 뒤, 수행한 과제에 대하여 진실 조건의 참가자는 실제 자신의 점수대로 자체 채점을 하고, 거짓 조건의 참가자는 실제 자신의 점수보다 더 높게 점수를 위조하도록 조작하였다. 이후 모든 참가자는 사전면담 단계와 본 검사 단계 순으로 폴리그래프 검사를 받았다. 라포형성 조건과 라포비형성 조건은 각각 구조화된 스크립트로 사전면담을 실시하여 조작하였다. 분석결과, 진실성과 라포 형성 여부에 따라 피검사자의 ESS 총점에 유의미한 차이가 있었다. 진실 집단은 라포 형성 조건에서 라포 비형성 조건보다 ESS 총점이 양(+)의 방향으로 유의미하게 더 커서 진실 반응이 두드러지게 나타났다. 그러나 거짓 집단은 라포 형성 조건에서 라포 비형성 조건보다 ESS 총점이 음(-)의 방향으로 유의미하게 더 크진 않았다. 본 연구 결과를 바탕으로 폴리그래프 검사의 사전면담 단계에서 라포 형성의 중요성과 언어적·비언어적 라포 형성 기법의 매뉴얼화 필요성을 논의하였다.

• 대한수학교육학회지:수학교육학연구
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• 제26권2호
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• pp.269-285
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• 2016

교수학적 내용 지식(PCK)은 수학교육학 분야에서 다각도로 활발하게 탐구되어온 주제이다. 본 연구는 PCK의 구성 요소 중의 하나인 '내용과 학습자에 대한 지식(KCS)'에 주목하고, 예비수학교사들의 KCS를 파악하기 위하여 사범대학 수학교육과 재학생 30명을 대상으로 반구조화된 심층면담을 실시하였다. 심층면담은 예비교사들로부터 다양한 답변을 기대할 수 있는 내용을 자유응답형으로 구성하였으며, 네 가지 질문에 대한 예비교사들의 답변을 기술하고 유형화함으로써 연구 문제로 설정한 학습자의 전형적인 오류, 학습자의 내용 이해, 학습자의 발달 계열에 대한 예비교사들의 사고를 파악하고자 하였다. 심층면담 결과, 예비교사들은 설문에 대한 응답에서 수학적 관점 혹은 교육적 관점을 갈등적으로 적용하고 있었다. 학교수학을 구성하고 있는 개념 중 여러 학교급과 학년 혹은 여러 영역에서 중층적으로 설명되는 경우에 대해서는 교사양성 과정에서 각 주제들이 학교급과 학년을 관통하여 어떻게 다루어지는지 종적으로 조망할 필요가 있을 것이다.

• 한국초등과학교육학회지:초등과학교육
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• 제33권2호
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• pp.322-334
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• 2014

In this study, the researcher aimed to increase productive reflection of pre-service elementary teachers through meta-analysis of their own reflective journals. The meta-analysis activities are expected to enhance their learning effectively as a kind of self-assesment. During 8 week simulation teaching, 26 pre-service teachers kept individual journal writing and the meta-analysis activities were implemented twice (after the 3rd and 8th week). Right after the first meta-analysis, the pre-service teachers' productive reflection increased clearly. However this would not guarantee the effect would last long time period. By analyzing 8 week reflective journals, reports on meta-analysis activities and small group interview, this study shed light on practical ways of enhancing reflective teacher education.

• 지능정보연구
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• 제9권2호
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• pp.171-184
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• 2003

A project planning is one of the most important processes that determines success and failure of the project. A pre-project planning is also essential job for information system implementations at the early stage of project planning, especially for management information system like ERP. However, pre-project planning is very difficult, because lots of factors and their relationships should be considered. Pre-project planning of ERP implementation has been done by project manager's own knowledge and experiences. In this article, we propose a system that help project manager to make a pre-project plan of ERP project with case-based reasoning(CBR) framework. The proposed CBR system saves previous cases of ERP pre-project planning in the case base. Then, the system finds the most similar case with the current pre-project planning problem. Project manager can make a pre-project plan by adjusting the most similar case. From the interview with project managers, we collect some field cases of ERP implementation. We organized these cases by using XML(Extensible Markup Language), which is good for representing hierarchical information. XML gives us some flexibilities to correct and maintain cases. We make a prototype system, PPSS(Project Planning Support System) that help project manager to make a pre-project plan of ERP implementations. The object of the system is to support project manager to make a pre-project plan of ERP. We hope the result of the study can be applied to other information systems. Our research would be extended to cover other stages of project planning.

• 한국산학기술학회:학술대회논문집
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• 한국산학기술학회 2003년도 Proceeding
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• pp.171-177
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• 2003

A project planning is one of the most important processes that determines success and failure of the project. A pre-project planning is also essential job for information system implementations at the early stage of project planning, especially for management information system like ERP. However, pre-project planning is very difficult, because lots of factors and their relationships should be considered. Pre-project planning of ERP implementation has been done by project manager's own knowledge and experiences. In this article, we propose a system that help project manager to make a pre-project plan of ERP project with case-based reasoning(CBR) framework. The proposed CBR system saves previous cases of ERP pre-project planning in the case base. Then, the system finds the best similar case with the current pre-project planning problem. Project manager can make a pre-project plan by adjusting the most similar case. From the interview with project managers, we collect some field cases of ERP implementation. We organized these cases by using XML(Extensible Markup Language), which is good for representing hierarchical information. XML gives us some flexibilities to correct and maintain cases. We make a prototype system, PPSS(Project Planning Support System) that help project manager to make a pre-project plan of ERP implementations. The object of the system is to support project manager to make a pre-project plan of ERP. We hope the result of the study can be applied to other information systems. Our research should be extended to cover other stages of project planning.