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The aim of this study is to empirically investigate the relationships between communication styles, social networks, and learning performance in a computer-supported collaborative learning (CSCL) community. Using social network analysis (SNA) and longitudinal survey data, we analyzed how 31 distributed learners developed collaborative learning social(More)
This study examines the use of integrated communication and engineering design tools in a distributed learning environment. We examined students' attitudes toward the technology using two different approaches. First, we utilized the technology acceptance model to investigate the attitude formation process. Then, to investigate how attitudes changed over(More)
A randomized single-blind clinical trial was conducted to compare the effectiveness and acceptance by patients of a new oral balanced lavage solution with those of a standard preparation for cleansing the colon for barium enema (50 patients) and colonoscopy (20 patients). The quality of preparation was comparable for the 2 preparations. For colonoscopy,(More)
The design and development of a prototype computer-based instruction (CBI) module is described. The module covers introductory structural analysis techniques and demonstrates the practicality of CBI for undergraduate engineering education. The module's generic learning objectives are used to develop a set of guiding principles for CBI development. Choice of(More)
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