Table 3.

The intra class correlations (ICC) showing tutor ratings for different groups

PBL Groups	ICC	95% Confidence Interval
		Lower Bound	Upper Bound
Group 1	0.109	−0.081	0.425
Group 2	0.004	−0.094	0.234
Group 3	0.282	−0.071	0.663
Group 4	0.120	−0.228	0.547
Group 5	0.176	− 0.178	0.576
Group 6	0.720	0.318	0.902
Group 7	0.123	−0.061	0.441
Group 8	0.412	−0.138	0.781
Group 9	0.159	−0.223	0.600
Group 10	−0.112	−0.181	0.216
Group 11	0.239	−0.118	0.628
Group 12	−0.130	−0.90	0.562
Group 13	0.500	−0.190	0.836
Group 14	0.106	−0.077	0.415