| Summary: | 碩士 === 東吳大學 === 資訊管理學系 === 103 === Owning to the significant advancement of mobile devices, sensing technologies and wireless networks, context-aware ubiquitous learning (u-learning) has become an important issue in recent years. In the meantime, researchers have indicated that using group decision learning strategy in this innovative environment have attracted much attention from researchers. However, several studies also reported that students’ learning performance might be disappointing without appropriate knowledge constructive tools. Several studies have pointed out that learning with a well-known construction tool-repertory grid can help students construct their high level thinking ability in u-learning environment, but students might feel difficult to build their personal repertory grid. Therefore, in this study, a repertory grid based on a group decision learning strategy has been proposed in the ubiquitous learning environment. The learning approach aims to help students acquire their knowledge after observing the learning targets; following that, a voting strategy is used to integrate students’ knowledge. In this paper, a group decision context-aware u-learning environment is developed based on the innovative approach. To show the effectiveness of the innovative approach, a context-aware ubiquitous learning activity was conducted for the “Plant and ecology” unit of a fifth-grade natural science course in north Taiwan. The experimental results show that the proposed approach not only improves the students’ learning achievements, but also significantly enhances their repertory grids’ quality. Moreover, the students’ interpersonal communication skills in the experimental group are significantly better than those in the control group.
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