Table 6. Relative predictive contribution of the six code sets.

Code set	Variables	Nagelkerke R 2
Experimenter (E)	4	0.116
Experimenter-Teacher relation (E-T)	1	0.013
Teacher (T)	3	0.052
Teacher-Learner relation (T-L)	3	0.110
Learner (L)	2	0.012
Setting	1	<0.001