Table 3. Performance of Each of Seven Team Creation Methods on Achieving Goals for Bonding.

Method	Average Within-Team Standard Deviation	Average Between-Team Standard Deviation	Average Scores of the Least Bonded Team per Class	Average Scores of the Most Bonded Team per Class	Disparity	ES†
SN_Cluster	1.59	0.47	6.38	7.81	1.43	1.47
SN_Prune	1.61	0.41	6.45	7.70	1.25	1.82
VI_Cluster	1.59	0.48	6.37	7.87	1.50	1.34
VI_Prune	1.57	0.46	6.41	7.77	1.36	1.59
ALL_Cluster	1.59	0.48	6.38	7.88	1.50	1.34
ALL_Prune	1.59	0.49	6.41	7.86	1.45	1.42
CF	1.42	0.73	5.71	8.04	2.33

Bonding to School was constructed to form a 0–10 scale, with a score of 10 reflected greatest bonding and a score of 0 reflecting no bonding.

^†Disparity effect sizes for each experimental method compared to CF.