협력적 상호작용 집단의 사회연결망 중앙성이 집단 시너지와 학업성취에 미치는 영향 = The Effects of Social Network Centrality in Collaborative Interaction Groups on Group Synergy and Academic Achievement

다국어 초록 (Multilingual Abstract)

In a group learning, collaborative interaction is a key variable influencing group synergy and learning, in which group synergy appears to play a positive role in achieving learning performance. Compared with its importance of collaborative interaction, however, research on its influence is scant so that little is known. Recently, collaborative interaction can be understood by social network analysis (SNA). Hence, this study analyzed to see if social network centrality reflecting collaborative interaction in a group learning affects group synergy and learning achievement, in which centrality was divided into 5 sub-elements including in-degree, out-degree, betweenness, closeness, and eigenvector centrality; group synergy into 4 sub-elements including the increase of positive effect, the increase of team competency, the decrease of negative effect, and the increase of group creativity. The study conducted SNA and hierarchical multiple regression, the subjects of which were 165 college students in 30 groups. Research findings were as follows: First, out-degree centrality positively influenced on group synergy, including the increase of positive effect and the increase of team competency. Second, in-degree and closeness centrality influenced on academic achievement. Social network centrality influenced more on academic achievement than on group synergy. Based on these research findings, the study described discussions and presented implications. Included were the importance of collaborative interaction, group formation, the selection and role of a group leader, and the design of learning activities and strategies.

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