• 한국초등과학교육학회지:초등과학교육
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• 제34권4호
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• pp.434-446
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• 2015

The purpose of this study was to investigate elementary school students' conceptions about the knowledge source and the mechanism about the greenhouse effect, and the relationship between the greenhouse effect and the global warming. Participants were 157 sixth graders (boy : n=79, girl : n=78) from six elementary schools located in the same city. The open-ended questionnaire was used to examine the students' spontaneous ideas depicted by their drawings and/or writings. The results of this study are as follows: First, although there is no the content on the greenhouse effect in the elementary school curriculum document, the children in this study indicated that the main source of their knowledge about the greenhouse effect came from 'school class' (31.8%); Second, although the children did not take a class about the greenhouse effect itself, 14.0% of children had a relatively high level of the mental model on the phenomenon; Third, more than 90% of the children did not have the correct understanding about the relation between the greenhouse effect and the global warming.

• 한국과학교육학회지
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• 제24권6호
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• pp.1118-1130
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• 2004

이 연구는 두 가지 목적으로 수행되었다:(1) 초등학생들이 작성한 평일과 일요일 과학자와 회사원의 하루 일과표의 비교를 통해 과학자의 생활시간에 대한 인식을 조사하고, (2) 학생 및 교사의 과학자 및 과학자가 하는 일에 대한 이미지 조사 방법으로서 '과학자의 일과표 그리기 (DASS: Drawing a Scientist's Schedule)' 의 가능성을 검토하는 것이다. 이를 위해 공주시 소재 초등학교 1개 학급 6학년 30명(남:15명, 여:15명)이 본 연구에 참가하였다. 이들이 작성한 하루일과표와 이에 대한 면담을 통해 과학자와 회사원의 생활시간(필수, 의무 및 여가생활시간)을 비교 분석하였다. 이 연구의 결과는 다음과 같다: 첫째, 학생들은 회사원에 비해 과학자의 의무생활시간은 많고 필수생활시간이나 여가생활시간은 적다고 인식하고 있으며 일요일에는 더욱 두드러진 양상을 보인다. 둘째, 학생들의 인식하고 있는 과학자와 회사원의 필수생활시간에 있어 차이는 수면시간의 차이에 의한 것이며, 과학자의 수면시간과 관련하여 학생들의 인식은 회사원에 비해 다양함을 보인다. 셋째, 학생들은 과학자가 회사원에 비해 의무생활시간 중 직업과 관련된 일을 하는데 사용하는 시간은 많으나, 가정관리와 관련된 일을 위한 시간은 적을것이라고 인식하는 경향을 보인다. 넷째, 학생들이 생각하는 과학자의 여가생활시간은 회사원에 비해 적을 뿐 아니라 그 활동 유형에도 차이를 보인다. 다섯째, '과학자의 일과표 그리기(DASS: Drawing a Scientist's Schedule)'를 통해 학생들이 인식하고 있는 과학자의 생활모습에 대한 다양한 정보 뿐 아니라 기존에 널리 활용되고 있는 DAST로는 분석하기 어려운 학생들의 과학자와 과학자가 하는 일에 대한 이미지를 분석해냄으로써 새로운 접근방식으로서 그 가능성과 유용성을 보였다.

• 한국지구과학회지
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• 제22권4호
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• pp.268-277
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• 2001

이 연구는 계절 변화에 대한 초등학생의 선개념과 수업에서 나타나는 개념 변화 양상을 조사하는 것이다. 연구 대상은 인천광역시의 초등학교 5학년생 78명을 대상으로 하였다. 계절 변화에 대한 학생들의 선개념을 알아보기 위하여 그림과 글로 응답하도록 구성된 지필 검사지를 사용하였으며, 동일한 검사 문항을 이용하여 각각 수업 중의 중간 검사, 수업 후의 사후 검사, 그리고 1주일 후 지연 검사를 통하여 학생들의 개념 변화 양상을 조사하였다. 응답 결과의 분석은 3명의 본 연구자들간에 의견의 일치를 보아 분석하였다. 조사 결과, 사전 검사에서 대안 개념을 가지고 있는 일부 학생들의 경우 수업 후 또 다른 대안 개념을 형성하며, 이들이 가지고 있는 계절 변화 개념은 안정되어 있지 않은 상태로 나타났다. 또한 계절별 지구와 태양 사이의 공간 분포의 변화에서는 거리와 가열 효과가, 그리도 계절별 별자리의 변화에서는 지구의 자전 개념이 계절 변화에 대한 학생들의 올바른 개념 형성에 장애가 되는 요인으로 나타났다.

• 한국과학교육학회지
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• 제22권5호
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• pp.944-956
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• 2002

The purpose of this study was to investigate students' conceptions of the simple electric circuit using a battery and a bulb. 19 fourth grade students from a rural elementary school in Korea participated in this study. Data on the children's understandings of electric circuit were collected through three sources; prediction tests, drawing tests and individual interviews. The prediction tests were paper and pencil tests composed of 10 problems, predicting whether bulbs in 10 simple circuit diagrams would light. For each prediction, the children were asked to provide a written explanation of their thinking. The drawing tests consisted of 6 problems. One was to draw the inside of the bulb base, and the others were to make the wire connections between a battery and a bulb in the diagrams, to light the bulb. The interviews were conducted with seven children who showed differing degrees of understanding. No student was aware of the wire connections inside the bulb base. Many students stated whether the bulb would light or not, according to the tip of the bulb contacting the positive battery terminal and an end of wire contacting the negative battery terminal. Most of them thought that the tip of the bulb should contact the positive battery terminal, so that the bulb would light. In short, students did not use a scientific conception of electric current to predict and explain the electric circuit.

• 아동학회지
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• 제12권2호
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• pp.37-50
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• 1991

The purpose of this study was to assess preschool children's understanding of contagion and their use of immanent justice explanation for illness and accidents, 124 children (66 four-year-olds and 58 five-year-olds) were interviewed individually by two female interviewers. The data were analyzed by ${\chi}^2$ and correlation. Preliminary analyses revealed no significant sex and age differences: Therefore, the data were collapsed across sex and age for all further analyses. The results showed that preschool children have a concept of contagion as a cause of illness, and they understand the effect of distance between people on the likelihood of transmitting contagious ailments. They overextend the concept of contagion to inappropriate ailments: that is, to noncontagious illnesses and to accidents. They employed immanent justice explanations for all illnesses (contagious and noncontagious) and accidents.The use of immanent justice was inversely related to application of the concept of contagion.

• 아동학회지
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• 제28권2호
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• pp.19-37
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• 2007

In this study of the relative effectiveness of constructivist and non-constructivist approaches to shadow activity for young children, 59 children in two kindergarten classes were assigned to constructivist or non constructivist conditions. Each group participated in 12 units covering shadow search, shadow making, changing shadow size, changing shadow position, and shadow disappearance. Analysis of covariance of differences between the mean scores of the two groups on the posttests of shadow concepts and scientific attitudes revealed that the children in the constructivist group performed better than the children in the non-constructivist group. This confirms the constructivist approach to shadow activities as good science activities for young children by promoting their active experimentation using reasoning about light to foster spatio-causal relations construction.

• 한국과학교육학회지
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• 제8권2호
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• pp.33-41
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• 1988

During the last decade researchers in science education and psychology have emphasized the importance of children's ideas, or "what they already know", which they bring to their related learning situations. Most research reports on the children's prior ideas reject both the traditional epistemologies and the conventional learning theories. Therefore, this study has its objective to analyze the traditional epistemologies as well as post-positivism contemporarily in vogue, to examine both the conventional learning theories and the constructivism of psychology, and then, based on the analyses, to draw the implications for the future science education. The implications are described under such headings as the nature of science, the science curricula, and the science teaching/learning. The implications are drawn in logical relation to the post-positivism and constructivism, and some of which are empirically validated by the research on the children's conceptions.

• 한국과학교육학회지
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• 제15권2호
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• pp.185-193
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• 1995

The purpose of this article is to find out psychological mechanism on the core of misconceptions. Theoretical frame to search for the core of misconceptions is based on the Pascual-Leone's neo Piagetian theory. Although Pascual-Leone's theory is a cognitive developmental theory, its psychological mechanism gives us new insights on misconception. According to the comparison between Pascual-Leone's psychological mechanism and the common specifics of misconceptions and their items, conclusions could be summarized as follows: 1) Children's misconceptions and LC learning structures have the same nature. 2) Structures in items of misconceptions and misleading factor structures in cognitive tasks affect mental process with the same mechanism. 3) LC learning structures was activated preferentially in knowledge structures by F operator, with the same activation mechanism, the process children's misconceptions was activated firstly among other conceptions could be explained.

• 아동학회지
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• 제22권4호
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• pp.133-147
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• 2001

The primary purpose of this research was to examine Korean childrens concepts of authority. Childrens judgments about commands of persons with varying age, social position, and knowledge were assessed. 48 subjects from the first, third, and fifth grades were presented with portrayals of persons giving children commands regarding two types of events: fighting and a game rule dispute. Subjects evaluated the legitimacy of commands and chose between different persons giving opposing commands. With regard to a command to stop fighting, subjects accepted the legitimacy of adult and peer authorities, as well as an adult without a position of authority. Subjects rejected commands that failed to prevent harm even when given by an adult authority. With regard to a game rule dispute, subjects most heavily weighted knowledge in evaluating the authority commands. The findings show that Korean children do not have a unitary orientation to adult authority, and have implications for an understanding of individuals' conceptions in the context of a cultural ideology emphasizing reverence for authority.

• 한국과학교육학회지
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• 제16권4호
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• pp.417-428
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• 1996

The purposes of this study were to investigate what kinds of idea the children have after formal instruction in school, and to investigate what is the children's conceptual change on electric current after implementation of drill and practice type CAI program about electric circuit. The CAI program was developed by KEDI research project team the author of this article was joined. The subjects were 20 eleven yaers old(elementary fifth year) children sampled from a elementary school in Seoul, Korea. They had already learnt about electric circuits for two years before implementing this CAI program according to the formal science curriculum. The pretest were accomplished before implementing the CAI program, and posttest were accomplished a week after implementation of the CAI program. The results of this study are as follows: Even though they had studied electric circuits, only 5% of the students had scientific ideas before pretest, and even after drill and practice type CAI program only 30% of the students have changed their misconceptions into scientific conceptions.