Collaborative Learning Support System for Discussing Presentation Skill Based on Presentation Slide

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The objective of our research is to propose the learning method for obtaining the topic explanation skill and develop support tools for the learning method. We have proposed the learning method which consists of 3 steps: 1) author presents his/her ideas using the slide in front of the audience, 2) each audiences modify the slide as their amendments, 3) author and audiences discuss the reasons for arranging topics and ordering topics in their amendments. For the purpose of supporting the generation of amendments easily in step 2, slide reconstruction tool is provided. Discussion navigation tool is also developed for supporting effective discussion among author and audiences in step 3. Based on the experiment, our learning method and supporting tools were effective in navigating discussion.