Table 3. Modularity scores of the original and shuffled networks.

	FOBS -1			FOBS -2
Sub-forum	Original	Shuffled	Normalized Modularity	Original	Shuffled	Normalized Modularity
Technical Feedback	0.78	0.55	1.42	0.86	0.72	1.19
Course Material Feedback	0.66	0.36	1.83	0.47	0.26	1.81
Study Groups	0.80	0.19	4.21	0.71	0.12	5.92
Readings	0.70	0.17	4.11	0.43	0.15	2.87
Lectures	0.61	0.22	2.77	0.51	0.22	2.32
Questions for Professor	0.65	0.36	1.81	0.62	0.32	1.94
Final Project	0.58	0.15	3.87	0.42	0.15	2.80
Cases	0.27	0.10	2.70	0.34	0.10	3.40