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Fig. 1 | BMC Medical Education

Fig. 1

From: What makes an online problem-based group successful? A learning analytics study using social network analysis

Fig. 1

two groups from the dataset, the left group a is relatively inactive, centralized around the teacher with few interactions among students. Group b (right) is relatively active, teacher is involved but not dominant. Legend: Each circle represents a student, the circle with the letter T represents the teacher and every line represents an interaction, the circle size is proportional to the degree centrality and the thickness of the lines is proportional to the frequency of interactions

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