International Journal of Educational Technology in Higher Education

Table 2 Results of social network analysis on online Q & A

From: Towards Understanding Online Question & Answer Interactions and their effects on student performance in large-scale STEM classes

	Summer semester (n = 54)		Fall semester (n = 164)
	With instructor/TAs	Without instructor/TAs	With instructor/TAs	Without instructor/TAs
Density	7.008	9.244	4.772	5.591
Transitivity	28.754	29.122	23.097	23.701
Closeness Centrality	44.225	57.005	64.544	65.340
Betweenness Centrality	33.424	35.257	39.837	28.158
Eigenvector Centrality	82.270	80.928	86.737	86.202

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