• Title/Summary/Keyword: scientific question

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The Relationships between the Patterns of Elementary School Teachers' Explanations and the Patterns of Elementary School Students' Questions on Scientific Phenomena (과학 현상에 대한 초등학생들의 의문 유형과 초등교사들의 설명 유형과의 관계)

  • Shin, Dong-Hoon
    • Journal of Korean Elementary Science Education
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    • v.26 no.2
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    • pp.149-160
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    • 2007
  • This study was conducted to investigate the relationships between the patterns of elementary school teachers' explanations and the patterns of students' questions types on scientific phenomena. for the purposes of this study, we collected questions related to scientific phenomena from 255 $3rd{\sim}6th$ students in 2 elementary schools. Classifying the students' questions collected, 20 representative questions for each type were selected. Data regarding teachers' scientific explanation from 62 teachers of 3 elementary schools were also collected. The results of the analysis of the questions for each science field show that the students in the 3rd, 4th, and 5th grades have the most questions regarding biology, and those in the 6th grade have more questions regarding earth science. Regarding question types, object exploration questions and explican exploration questions formed the majority. Moreover, the higher the students' grades, a decrease in the number of conjectural questions and an increase in the number of causal questions were observed. As a result of the analysis of the teachers' explanation, the following explanation types could be discerned; conjecture, hypothesis, prediction, teleological explanation, information given to feed exploration questions, as well as verification and information supply fer verification purposes. There were 4 kinds of relationships between question types and explanation types. One was the explanation fitting to each question type, a second was the explanation with additional content than the question required, a third was where the explanation was inappropriate to the question, and a forth was where the teacher responded that they "don't know." This study, investigating the relationships between questioning as a scientific inquiry process and explanation, will help to promote discussion regarding science classes in elementary school.

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The Development of Question Sheet to Improve Middle School Students' Scientific Creativity (중학생들의 과학창의력 신장을 위한 발문지 개발)

  • Jeong, Ji-Eun
    • Journal of the Korean Society of Earth Science Education
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    • v.9 no.3
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    • pp.255-268
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    • 2016
  • The education should adapt learners well to any changes and have them create something for such a era. Form the point of this view. question sheet was developed for middle school students to improve their scientific creativity. For this study, 146 item questions, which was from chapter 7 about solar system movement in the 3rd grade textbook for middle school students, was developed. For 5 weeks, 142 third graders in middle school were chosen and observed. They were divided into an experimental group and a control group. The teaching model using question sheet was applied to the experimental group, while the traditional teaching model, to the control group. This study compared two groups based on scientific creativity and academic achievement. In both scientific creativity and academic achievement, the group using question sheet showed meaningful differences. This result of the analysis indicated that teaching model using question sheet stimulated student's creative thinking and helped them to achieve a goal of lesson. The teaching model using question sheet can be used as an effective way to increase students' creativity.

A Microgenetic Study on Scientific Question Generating Ability (과학적 의문 생성 능력에 대한 미시발생적 연구)

  • Oh, Chang-Ho;Kim, Min-Kyeong;Yang, Il-Ho
    • Journal of The Korean Association For Science Education
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    • v.30 no.6
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    • pp.752-769
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    • 2010
  • The purpose of this study was to apply the microgenetic analysis method for development of information on an individual's change in a certain area during a consistent time period to seek change in scientific questions that elementary school students create. The study subjects were six 6th graders in I elementary school located in Kyunggido with the students conducting 6 sessions of two observational tasks about dry grapes contained in soda pop and candlelight. Information were collected through students' scientific question development paper, record of field observation and interviews. The results of this study are as follows: first, the number of scientific questions that the elementary school students developed showed a tendency for reduction; second, the changes in type of scientific questions bring different results, which depend on a particular characteristic of the tasks; third, By observing pattern changes in scientific questions of each individual, it was found that different results show for each time for the same task, which in other words means that there exists variability within an individual. Also, variability between individuals were shown by confirming that the change pattern for each person were diverse. Thus, the result of this study shows the following implications on education of scientific question development. For students, scientific question development mean more opportunities to increase the process of developing and acquiring knowledge. Therefore, it is important to create situations where one can come up with scientific questions. In addition, analysis in tasks' nature when selecting tasks would be necessary to develop diverse scientific questions.

Types of Scientific Questions Generated in Observational Activity by Elementary Students and Preservice Teachers (초등학생들과 초등예비교사들이 관찰활동에서 생성한 과학적 의문의 유형)

  • Lee, Hye-Jeong;Jeong, Jin-Su;Park, Kuk-Tae;Kwon, Yong-Ju
    • Journal of The Korean Association For Science Education
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    • v.24 no.5
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    • pp.1018-1027
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    • 2004
  • The purpose of this study was to identify and compare the types of scientific questions which were generated by elementary students and preservice teachers on the tasks of scientific observation. To identify the types of scientific questions, 4 observing tasks, dry grapes contained in soda pop, candlelight, celery, and a rock were administered to 40 sixth elementary students and 20 elementary preservice teachers. And then, the types and frequency of scientific questions generated by them were compared. The results showed that the types of scientific questions were classified into conjectural questions, causal questions, predictive questions, methodical questions and applicative questions. Further more, subordinate questions to the above questions were classified into object exploration questions and object verification questions, explicans exploration questions and explicans verification questions, result exploration questions and result verification questions, example exploration questions and example verification questions. Subordinate questions did not come out from the methodical questions. The types of scientific questions generated by elementary students and preservice teachers were identical, however, there were differences in frequency. This study supports that elementary students also have cognitive capability to generate various scientific questions. The results of this study may be used as a teaching strategy for the guidance of the direction and the method of scientific inquiry.

The Effect of Question-Generating Strategy for Science Inquiry Instruction in Elementary Science Class (초등과학 탐구수업에서 문제생성 학습전략의 효과)

  • Kim, Hye Ran;Choi, Sun Young;Lee, Kil Jae
    • Journal of Korean Elementary Science Education
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    • v.33 no.4
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    • pp.700-709
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    • 2014
  • The purpose of this study was to examine the effects of question-generating strategy on science academic achievement, scientific attitude in elementary science class. To examine the effects of question-generating strategy this learning materials were applied to elementary science curriculum, and an experimental group and a control group were selected from $5^{th}$ graders at H elementary school located in Gyeonggi-do. Students were taught for 6 weeks. Control group take traditional lessons and solve questions presented textbook. Question generated group generate questions, solve them and feed back by themselves. The results of this study were found statistically significant difference in the pupil's enhancement of the science academic achievement, scientific attitude (p<.05). Thus question-generating strategy for elementary science inquiry instruction that has a positive effect on interests in class is useful and better be widely applied to science education.

Elementary Pre-service Teachers' Conceptions on 'the Freezing Point Depression' and a Proposal of Explanatory Models ('어는점 내림'에 대한 초등 예비교사들의 인식 조사 및 설명 모형 제안)

  • Kim, Han-Je;Joung, Yong Jae;Jang, Myoung-Duk
    • Journal of Korean Elementary Science Education
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    • v.32 no.2
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    • pp.206-224
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    • 2013
  • The purpose of this study is to investigate the elementary pre-service teachers' conceptions on 'the freezing point depression' focusing on the survey from a National University of Education. Eighteen pre-service teachers who had completed high school Chemistry II coursework were selected to participate in the study. Participants answered a four question survey to measure their scientific knowledge and conceptions of this phenomenon. Each answer was qualitatively analyzed to determine whether they have 'scientific conceptions' or 'quasi-scientific conceptions' or 'misconceptions'. The results from the study are as follows: First, it was showed that none of the eighteen participants had 'scientific conceptions', six had 'quasi-scientific conceptions' and eight had 'misconceptions' about the caused effect when $CaCl_2$ is scattered on the ice. Second, it was found that three participants had 'scientific conceptions', eight had 'quasi-scientific conceptions' and two had 'misconceptions' for the second survey question. Third, ten out of eighteen participants demonstrated 'scientific conceptions' about the phenomenon of salt water freezing. Fourth, only three of eighteen participants illustrated appropriate 'scientific conceptions' for the fourth survey question. Fifth, of all participants, none answered more than three questions correctly, and only three participants answered any combination of two questions correctly. Based on the findings of this study, five explanatory models were developed. And the models were proposed for pre-service teachers to enhance their understanding of the freezing point depression phenomenon.

Analysis of Question and Sentence in High Environmental Science Textbook (고등학교 환경과학 교과서의 질문과 문장 내용 분석)

  • Lee, Bong-Hun;Moon, Seong-Bae;Moon, Jung-Dae
    • Journal of Environmental Science International
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    • v.6 no.3
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    • pp.213-218
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    • 1997
  • The question style In high school enoronmental science textbook was examined in terms of the placement, frequency, and type of question, and then analyzed the kind of scientific Inquiry process elicited by the question In the topic of textbook using the Tektbook guestioning Strategy Assessment Instrument (TQSAI). The average number of question per topic was only 0.6. The number of all Question In the high school enororunental science textbook was very little : the number of non-experiential Question was 8 and that of experiential one was 3. The total number of sentence was 1,236 and the ratio of the number of Question to that of sentence was 0.9% . The frequency of non-experlential question was higher than that of experiential one. In action part of the textbook, there were more kinds of Question styles than In the matin part.

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Exploring Preservice Secondary Science Teachers' Abilities of Developing Inquiry Questions in the Content of Earth Science (중등 예비 과학교사들의 지구과학영역 탐구문제 개발 능력 분석)

  • Kim, Jung-Hoon;Park, Young-Shin
    • Journal of the Korean earth science society
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    • v.33 no.3
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    • pp.294-305
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    • 2012
  • Scientific literacy has long been as one of the key goals of science education, and using scientific inquiry in school science has became an important objective to be achieved. The processes of scientific inquiry consist of proposing/developing inquiry question, designing and conducting investigation, collecting, analyzing and interpreting data, and communicating the results. However, most students experience mainly collecting and transforming data in inquiry processes in science class and they are barely exposed to the opportunities of proposing/developing inquiry questions. Middle school earth science preservice teachers participated in this study (N=36) and their abilities of developing inquiry questions were surveyed. Participants' abilities of developing inquiry questions were investigated whether they were enhanced with activities using the Inquiry Questions Development Guide (IQDG). Also, this study was interested in whether there was any relationship between abilities of developing inquiry questions and designing inquiry investigation. The results of this study were as follows; first, the level and preciseness of inquiry questions and its preciseness developed by participating teachers were enhanced after experiencing IQDG. In addition, teachers' dominating inquiry question-types were two: one is a 'relationship-inquiry question' in which students could discover the relationship between results found in the given experimental situations and the other one is a 'why-how inquiry problem' in which students could explore a cause or a process that results in the outcomes. Finally, the higher level of and preciseness the of inquiry questions were identified as an important factor the determined teachers' abilities of designing more logical investigation. A process of proposing/developing inquiry question was identified as one of the most important processes contributing to a success of scientific inquiry investigation.

The Biologists' Boon Activation Patterns during the Generation of Scientific Questions on Biological Phenomena (생명현상에 관한 과학적 의문 생성 과정에서 나타나는 생물학자의 두뇌 활성 양상)

  • Kwon, Yong-Ju;Jeong, Jin-Su;Lee, Jun-Ki;Yang, Il-Ho
    • Journal of The Korean Association For Science Education
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    • v.27 no.1
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    • pp.84-92
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    • 2007
  • The purpose of this study was to investigate biologists' brain activation patterns during the generation of scientific questions on biological phenomena. Eight right-handed healthy biologists volunteered to be participants in the present study. The question-generation tasks were presented in a block design. The BOLD signals of the biologists' brain were measured by 3.0T fMRI system and data were analyzed using Statistical Parametric Mapping (SPM2). According to our results, the left inferior and middle frontal gyri, the medial prefrontal cortex, the bilateral hippocampus, the occipito-parietal route, the fusiform gyrus, and the cerebellum were activated significantly during the generation of scientific questions. Therefore, we suggested that generating scientific question is associated with analyzing observed situations, using verbal strategy, retrieving episodic memories for comparisons, and feeling cognitive conflicts.

A Natural Language Question Answering System-an Application for e-learning

  • Gupta, Akash;Rajaraman, Prof. V.
    • Proceedings of the Korea Inteligent Information System Society Conference
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    • 2001.01a
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    • pp.285-291
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    • 2001
  • This paper describes a natural language question answering system that can be used by students in getting as solution to their queries. Unlike AI question answering system that focus on the generation of new answers, the present system retrieves existing ones from question-answer files. Unlike information retrieval approaches that rely on a purely lexical metric of similarity between query and document, it uses a semantic knowledge base (WordNet) to improve its ability to match question. Paper describes the design and the current implementation of the system as an intelligent tutoring system. Main drawback of the existing tutoring systems is that the computer poses a question to the students and guides them in reaching the solution to the problem. In the present approach, a student asks any question related to the topic and gets a suitable reply. Based on his query, he can either get a direct answer to his question or a set of questions (to a maximum of 3 or 4) which bear the greatest resemblance to the user input. We further analyze-application fields for such kind of a system and discuss the scope for future research in this area.

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