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CSCL에서 스캐폴딩의 유형이 공유 정신 모형에 미치는 영향

The Effects of Scaffolding Types on the Forming Shared Mental Model in Computer-Supported Collaborative Learning

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주제분류교육학

초록

본 연구는 집단이 공유 정신 모형을 획득하는데 있어서 스캐폴딩의 효과를 검증해보고자 하였다. 이를 위하여 CSCL 프로그램 내에 개념적 스캐폴딩과 메타인지적 스캐폴딩을 설계하여 협력 학습 집단에게 제공한 후 이들이 획득한 공유 정신 모형의 구조적 유사성을 측정하였다. 구조적 유사성의 준거 중 하나인 공유성 측면에서 각 집단 별로 획득한 공유 정신 모형을 일관성으로 분석한 결과 통제 집단을 제외하고 협력 전후 유의한 차이를 보이지 않았다. 또한 집단간 차이도 유의하지 않았다. 그러나 네트워크 모델의 구조(연결정도, 링크개수, 밀도)로 분석한 결과 메타인지적 스캐폴딩을 제공받은 집단이 공유성이 가장 높음을 알 수 있었다.구조적 유사성의 또 다른 준거인 정확성 측면에서 각 집단 별로 획득한 공유 정신 모형을 분석한 결과 집단 모두 협력 전후 유의한 차이를 보이지 않았다. 또한 집단간 차이도 유의하지 않았다. 그러나 이를 네트워크 모델의 구조(초점노드)로 분석한 결과 메타인지적 스캐폴딩을 제공한 집단이 정확성이 가장 높음을 알 수 있었다.

Abstract

The purpose of this study was to investigate the effects of scaffolding types on the shared mental model in a computer-supported collaborative learning environment. From perspectives coming up with the related theories and empirical efforts, it was assumed that the shared mental model might be acquired through providing with conceptual and metacognitive scaffolding. In order to find out the above described purpose, the following research questions were delineated. First, whether the scaffolding types have significant effect on the sharedness between group member’s mental models. The sharedness was defined as the degree to which group member’s mental models are similar in structure. Second, whether the scaffolding types have significant effect on the accuracy of shared mental model. Accuracy refers to the degree to which the shared mental model is similar to an expert’s. The structural similarity such as sharedness and accuracy was measured by Pathfinder Networks. The quantitative results(coherence, correlation, similarity of networks) showed that scaffolding types were not the significant predictor in acquiring the shared and expert-like mental model. However, the qualitative results(degree, density, cluster type, focal node) of the study indicated that group with metacognitive scaffolding have shown higher structural similarity than group with conceptual scaffolding in CSCL.

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