Journal of The Korean Association For Science Education (한국과학교육학회지)

The Korean Association for Science Education (한국과학교육학회)
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How the Journal of the Korean Association for Science Education(JKASE) Changed for the Past 44 Years?: Topic Modeling Analysis Using Latent Dirichlet Allocation

한국과학교육학회지는 44년간 어떤 주제로 어떻게 변화했는가? -잠재 디리클레 할당(LDA)을 활용한 토픽모델링 분석-

  • Chang, Jina (Seoul Seongil Elementary School) ;
  • Na, Jiyeon (Chuncheon National University of Education)
  • Received : 2021.11.29
  • Accepted : 2022.04.19
  • Published : 2022.04.30
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Abstract

The purpose of this study is to understand the trends and changes of the articles publishing the Journal of the Korean Association for Science Education(JKASE) in the past forty-four years. To this end, Latent Dirichlet Allocation(LDA) topic modeling analysis was performed on a total of 2,115 English abstracts of papers published in the JKASE from 1978 to 2021. As a result of LDA topic modeling analysis, a total of 23 topics were extracted, and each topic was presented with its related keywords and articles. Next, in order to examine how these topics have changed over time, we visualized the average weights of each topic for a 4-year cycle by using heatmaps. The topics that have risen or fallen were identified. The results of this study provide new insights into science education research in Korea in terms of revealing not only traditional research topics that have been consistently studied but also the topics that have changed in response to the development of educational philosophy or research methods, social or policy demands related to science education.

이 연구에서는 LDA 기반의 토픽모델링 분석을 통해 한국과학교육학회지에 게재된 연구 논문들이 어떤 주제로 어떻게 변화했는지 탐색하였다. 이를 위해, 1978년부터 2021년 5월까지 한국과학교육학회지에 게재된 논문들의 영문초록 총 2,115개에 대한 LDA 기반 토픽모델링분석을 실시하였다. 분석 결과, 총 23개의 토픽을 추출하였으며 각 토픽들을 관련된 키워드 및 세부 연구주제들과 함께 제시하였다. 다음으로, 시간에 따른 토픽들의 변화 추이를 살펴보기 위해, 4년 주기에 대한 각 토픽들의 평균 비중값의 변화를 히트맵으로 시각화하였다. 이를 통해, 시간이 지남에 따라 상승해온 주제와 하락해온 주제들을 밝혔다. 이 연구의 결과들은 꾸준히 연구되어온 전통적인 연구 주제들, 교육 철학이나 연구방법의 변화, 사회나 정책적 요구에 따라 달라져온 연구 주제들을 드러냄으로써 한국의 과학교육연구에 새로운 통찰을 제공할 것으로 기대된다.

Keywords

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