• Title/Summary/Keyword: Scientific inquiry

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Argument Structure in the Science Writing Heuristic (SWH) Approach

  • Choi, Ae-Ran
    • Journal of The Korean Association For Science Education
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    • v.30 no.3
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    • pp.323-336
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    • 2010
  • The purpose of this study was to evaluate students' written arguments embedded in scientific inquiry investigations using the Science Writing Heuristic (SWH) approach. Argument components defined in this study are questions, claims, questions-claims relationship, evidence, claims-evidence relationship, multiple modal representations, and reflection. A set of criteria for evaluating each argument component was developed to evaluate writing samples of students from college freshman general chemistry laboratory classes. Results indicate that students produced, on average, moderate to powerful questions, claims, and evidence. They also constructed reasonable questions-claims relationship and claims-evidence relationship. Compared to other component scores, the average score for reflection was relatively low. Overall, the average Total Argument score was 21.4 out of a possible 36, that is, the quality of the written arguments using the SWH approach during a series of inquiry-based chemistry laboratory investigations was moderate to powerful. The findings of this study suggest that students, on average, developed reasonable scientific arguments generated as part of scientific inquiry. In other words, students are capable of putting together reasonable arguments as they participate in inquiry-based laboratory classrooms.

Exploring Students' Ability of 'Doing' Scientific Inquiry: The Case of Gifted Students in Science (과학탐구의 '실행' 능력 탐색하기: 과학영재학생 사례 중심으로)

  • Park, Young-Shin;Jeong, Hyun-Chul;Lee, Ki-Young
    • Journal of the Korean earth science society
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    • v.32 no.2
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    • pp.225-238
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    • 2011
  • The purpose of this study was to explore the factors that are critical for successful scientific inquiry activity in the classroom and to analyze the students' abilities of 'Doing' scientific inquiry. Two hundred and forty gifted science students in grades $7^{th}$ and $8^{th}$ participated in this study and demonstrated their abilities of framing questions and designing investigation through a survey questionnaire. The survey was developed for measuring factors in terms of personal and interactive variables that are needed for 'Doing' a successful scientific. Additionally, two other questionnaires were developed to measure students' abilities of framing testable questions and designing the investigation in a sequence. The results were as follows: Students' learning motivation factors as personal variable (self-confidence about group and inquiry activity, views about inquiry value) also considered as influential for students' group inquiry activity. Other four components of interactive variable (grouping, kinds of task, physical context, and teachers' role) were found to be influential in successful students' 'Doing' group inquiry activity. In students' evaluation of group inquiry activity, the grouping factor was the most critical one for a successful 'Doing' inquiry activity. Participating students showed some level of inability of in the process of framing inquiry question and designing investigation.

The Effect of DARTs Reaches to the Inquiry Problem Suggestion of the Elementary Science Gifted Students (DARTs가 초등과학 영재학생들의 탐구문제 제안에 미치는 영향)

  • Son, Jun-Ho;Kim, Jong-Hee
    • Journal of the Korean Society of Earth Science Education
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    • v.5 no.3
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    • pp.256-266
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    • 2012
  • The purpose of this study is to use DARTs (Directed Activities Related to text) to foster inquiry problems while actively engaging accelerated gifted elementary students in the field of earth sciences. This study is continually evolving in the classroom on the proposition that accelerate the scientific thought whether inquiry problems show any change according to the extent of prior background knowledge through DARTs. Researchers appointed the accelerated gifted elementary students with 14 investigation problems and it was their duty to not only classify the inquiry problems, but to analyze using interviewing methods according to type classification framework. Many scientific terms were used concretely in the inquiry problems that were propose after DART. The students gave a direct effect to the inquiry problem to be proposed according to the level of the content that it is presented in the DARTs worksheet. As a result, the NP-IP type and the EC-IP, NC-IP inquiry problem type proposed above much as a whole in DARTs former and prior. Particularly, the EMC-IP type and etc. was variously proposed after the DARTs. And the students proposing the inquiry problem of above average proposed the inquiry problem of the EP-IP type much unlike the general average student after the DARTs. The EC-IP, NC-IP and NF-IP type were changed much after DARTs used. Particularly, the EC-IP and NC-IP type were changed much.

The Analysis of the Educational Objectives, Scientific Models and Cognitive Processes in Scientific Inquiry of the SNU Scientifically Gifted Student Program (서울대학교 과학 영재 프로그램의 학습 목표, 과학적 모형, 과학탐구의 인지 과정 분석)

  • Shin My-Young;Chun Miran;Choe Seung-Urn
    • Journal of the Korean earth science society
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    • v.26 no.5
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    • pp.387-394
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    • 2005
  • We have analyzed the science-gifted educational program (year 2002) at the Seoul National University in terms of its educational objectives, scientific models, and cognitive processes in scientific inquiry in order to provide insights into developing and improving science-gifted educational program. We assumed the following items as important factors for teaching scientifically gifted students: higher-order thinking skills involving synthesis domain in the educational objectives, highly abstract nature and complexity in the scientific models, cognitive processes of planning experiments in the cognitive processes in scientific inquiry. According to the analyzed results, the program has the following characteristics: (1) the rates of both higher and lower-order thinking skill domain in the educational objectives are similarly high, but the rate of synthesis domain is relatively low; (2) in the case of the scientific models, the rate of the multiple concepts and/or processes model is relatively low, while the level of the abstractness is relatively on average (3) cognitive processes of authentic scientific inquiry is not thoroughly reflected in the scientific inquiry activities, and very few cognitive processes of planning experiments factor is reflected. Therefore, we conclude in the synthesis domain in the educational objectives, multiple concepts and/or processes model, and cognitive processes of planning experiments should be especially reflected more on the science-gifted educational program in order to serve the needs of scientifically gifted students.

Analysis on Actual Condition of Chemistry Teachers' Scientific Competency Assessment Based on Inquiry Report (탐구보고서에 기반한 화학교사의 과학 역량 평가 실태 분석)

  • Kim, Hyunjung;Kim, Sungki
    • Journal of the Korean Chemical Society
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    • v.65 no.3
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    • pp.209-218
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    • 2021
  • This study investigated the condition of chemistry teacher's student competency assessment based on the inquiry report. To this end, an inquiry report was collected for chemistry teachers who took the training at two universities that conducted the 2020 first-class chemistry teacher training. The science subject competencies presented in NAEA analysis framework was used to analyze what kind of competencies teachers assess students through inquiry reports. A total of 63 chemistry teachers submitted inquiry reports, which were analyzed by competency, sub-element of each competency, and detail element to analyze the actual situation. As a result of the study, most chemistry teachers reflected their 'scientific inquiry and problem-solving ability' in their evaluation through inquiry reports. 'Ability to understand and apply scientific principles', which is mainly evaluated through paper-based evaluation, was partially used as confirmation of prerequisite learning at the beginning of the inquiry and the weight of evaluating 'scientific communication skill' was not large. In 'scientific inquiry and problem-solving ability' through inquiry report, 'design and conduct explorations', 'data analysis and interpretation' and 'drawing conclusion and suggesting solution' were mainly assessed. However, 'discover and recognize problems' and 'development and use of model' were hardly assessed.

The Influences of Scientific Inquiry-based Peer Teaching Experiences on Pre-service Elementary Teachers' Affective Features (과학 탐구중심 모의수업 경험이 초등예비교사의 정의적 특성에 미치는 영향)

  • Lee, In-Sun;Jo, Son-Mi;Jang, Shin-Ho
    • Journal of Korean Elementary Science Education
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    • v.29 no.4
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    • pp.465-473
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    • 2010
  • The purpose of this study was to explore the impact of scientific inquiry-based peer teaching experience on pre-service elementary teachers' science teaching efficacy, anxiety to science and attitude toward science. The participants of this study included 118 pre-service teachers. The pre-post paired t-test design was implemented to examine the effect of this program. In addition, the semi-structured interviews were carried out for investigating their changes of affective characteristics. The result of this study showed that inquiry-based peer teaching provided pre-service teachers with the opportunities to enhance their science teaching efficacy and attitude toward science and reduce their anxiety to science. The findings imply that it is possible to meaningfully change elementary teachers' affective characteristics when effective strategies are adequately adopted.

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Development of Teaching Materials for the Nature of Science and Pilot Application to Scientifically Gifted Students (과학의 본성 지도자료 개발과 과학영재를 대상으로 한 시험적용)

  • Park, Jong-Won;Kim, Doo-Hyun
    • Journal of The Korean Association For Science Education
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    • v.28 no.2
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    • pp.169-179
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    • 2008
  • In this study, 46 teaching materials for understanding the nature of science (NOS) were developed based on the 42 statements describing the NOS. Each teaching material involves scientific knowledge and scientific inquiry skills as well as NOS statements. Teaching materials consist of students' learning worksheets and teachers' guides. Among the materials, 11 materials for understanding the nature of scientific thinking (NOST) were applied to 3 scientifically gifted students. As results, the degree of difficulty was appropriate and students showed interests in scientific thinking rather than new concepts or inquiry activities involved in the materials. It was expected that understating the NOST would be helpful for conducting scientific inquiry in more authentic way. And similarly to the Park's (2007) theoretical discussions about the relationship between the NOS and scientific creativity, students actually responded that undertrading the NOST could help their creativity. Therefore, it was expected that teaching the NOST would be plausible elements for teaching scientific creativity.

Sixth Graders' Inquiry Understanding for Scientific Evidence and Explanation (과학적 증거와 설명에 대한 초등학교 6학년 학생의 이해)

  • Jeong, Hei-Sawn;Oh, Eun-A
    • Journal of The Korean Association For Science Education
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    • v.23 no.6
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    • pp.634-649
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    • 2003
  • The aim of this paper was to diagnose Korean sixth graders' understanding for scientific evidence and explanation. The instrument constructed by Jeong, Songer, and Lee (2002) was used to assess students' understanding for priority of scientific evidence, objectivity of data, relevance of evidence, data interpretation, coordination of theory and evidence, and repeated observation. Results showed that although many students recognized certain features of scientific inquiry such as objectivity of data, few of them understood why such features are valued and how to collect and use such data. In particular, students experienced difficulty in formulating explanation from evidence, not knowing, for example, that repeated observations are needed before making a general statement. The results of this study suggest that efforts to foster students' inquiry abilities need to be based on careful analyses of students existing inquiry skills and understanding.

The Effect on Science Inquiry Ability, Scientific Attitude and Science Achievement of the Elementary School Students According to the Input time of Web-Based Instruction Programs (웹기반 학습 프로그램의 투입 시기가 초등학생의 과학탐구능력, 과학적태도 및 학업성취도에 미치는 효과)

  • 백남권;안영학
    • Journal of Korean Elementary Science Education
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    • v.23 no.2
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    • pp.123-130
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    • 2004
  • This study is aimed at exploring the effects on Science Inquiry Ability, Scientific Attitude and Science Achievement of the Elementary School Students according to the Input time of Web-Based Instruction Programs. As the object of the study, seventy-two students were selected from three classes in the fifth grade of Y Elementary School located in the city of T, Gyungsangnam-do. They were classified into the three groups such as Group A (Class 1), Group B (Class 2) and Group C (Class 3). The author threw web-based instruction programs into the begining of a unit, during a unit, the end of a unit to each group, and explored the effects. The results of this study were as follows: First, for the learning effect of science inquiry ability, it was indicated that there was the highest effect in the case of throwing web-based instruction programs into during a unit, but the effect reduced a little in the case of throwing them into the end of a unit. Secondly, the scientific attitudes tended to be reduced in the case of throwing them into during a unit, but there did not occur statistically significant improvement. Thirdly, the degree of improvement of the science achievement tended to be highest in the case of throwing them into the end of a unit. Such findings indicated that the time of throwing in web-based instruction programs affected science inquiry ability, scientific attitude and science achievement of elementary school students. Thus, it will be said that teachers need to teach their students with the class strategies of considering various scientific elements revealed at the time of throwing in web-based instruction programs.

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Influencing on the Increase of the Scientific Inquiry Abilities and Attitudes by Using the Work-Sheets for the Differentiated Learning (수준별 학습지 활용 수업이 과학적 탐구 능력과 태도에 미치는 영향)

  • 최윤미;남철우
    • Journal of Korean Elementary Science Education
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    • v.21 no.1
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    • pp.111-125
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    • 2002
  • The aim of this study is to make it sure how pupils' science inquiry skills and attitude are influenced when they are taught by using the work-sheets for the differentiated learning according to their ability. In order to accomplish this aim, two classes of the fourth grade in the elementary school were distinguished into two groups: one was the experimental class and the other, the comparative class. The experimental class was given 52 hours of science lessons using the above sheets, and the comparative class, the general method of teaching. In order to compare their scientific interest and learning ability of the two groups each other, pupils were tested the standardized achievement in advance. The two groups were also given "ex post facto test" to measure the variation of their inquiry skills and attitude after the lessons. In addition, the experimental class was tested to measure their learning attitude after they are teamed the science with the sheets. The results of this study are as follows: 1. According to the percentile statistics of the science inquiry skills test between the two groups, the work-sheets for the differentiated teaming helped pupils develope their inquiry skills remarkably. 2. The work-sheets did not lead to significant difference between the learning ability of boys and girls. 3. The science lesson using the work-sheets showed positive influences in increasing pupils' scientific attitude. 4. About 77.2 percent of pupils accepted the excellent records of the evaluation in the science lesson using the sheets. It can be, therefore, concluded that the science lesson using the work-sheets for differentiated teaming is one of effective science lessons to increasing pupils' science inquiry skills, compared with the general teaching method.

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