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標題Title: Collaborative knowledge building with wikis: The impact of redundancy and polarity
作者Authors: 徐苡庭,邵建銘..等
上傳單位Department: 資訊工程系
上傳時間Date: 2013-12-30
上傳者Author: 徐苡庭
審核單位Department: 資訊工程系
審核老師Teacher: 李南逸
檔案類型Categories: 課堂報告In-class Report
關鍵詞Keyword: Keywords: Cooperative/collaborative learning Interactive learning environments Teaching/learning strategies
摘要Abstract: Wikis as shared digital artifacts may enable users to participate in processes of knowledge building. To
what extent and with which quality knowledge building can take place is assumed to depend on the
interrelation between people’s prior knowledge and the information available in a wiki. In two experimental
studies we examined the impact on learning and knowledge building of the redundancy (Study
1) and polarity (Study 2) between participants’ prior knowledge and information available in the wiki.
Based on the co-evolution model of cognitive and social systems, external assimilation and accommodation
were used as dependent variables to measure knowledge building. The results supported the
hypotheses that a medium level of redundancy and a high level of polarity foster external accommodation
processes. External assimilation was stimulated by low redundancy and a high level of polarity.
Moreover, we found that individual learning was influenced by the degree of external assimilation.

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