The Characteristics of Group and Classroom Discussions in the Scientific Modeling of the Particulate Model of Matter

물질의 입자성에 대한 모형 구성 과정에서 나타나는 소집단 토론과 전체 학급 토론의 특징

  • Received : 2016.03.03
  • Accepted : 2016.05.04
  • Published : 2016.06.30


In this study, we investigated the characteristics of group discussion and classroom discussion in the scientific modeling of the particulate model of matter. 7th graders in Seoul participated in this study. We implemented science instructions based on the GEM cycle of scientific modeling. We analyzed the differences between group discussion and classroom discussion in three steps: exploring thoughts, comparing thoughts, and drawing conclusions. We also looked into the level of argumentations of the students in the modeling activities. The analysis of the results indicated that students generated a group model by extracting commonalities from each model of their group members, and then they evaluated and modified the group model by comparing the differences among the models in classroom discussion. The main step involved in group discussion was 'exploring thoughts', whereas in classroom discussion it was 'comparing thoughts'. Although the levels of argumentation among the students were generally low, most students participated with enthusiasm, as they expressed their interest and had positive perception in the modeling activities. As a result, the modeling activities were found to have positive influences on concept development. Some suggestions to implement the modeling activities in science teaching effectively were discussed.


group discussion;classroom discussion;scientific modeling;GEM cycle


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Grant : BK21플러스

Supported by : 서울대학교