	Control/pilot	Self-image	Social competence	Empathy	Learning motivation
0 - 2 items	Control	−0.022	0.317	0.211	0.034
0 - 2 items	Pilot	−0.533	−1.574	−0.079	0.362
3 items	Control	−0.016	0.128	−0.296	0.021
3 items	Pilot	−0.124	0.209	−0.257	−0.259
4 items	Control	0.424	0.364	0.182	0.257
4 items	Pilot	0.065	−0.141	−0.16	−0.048
5 items	Control^*	0.137	−0.629	0.573	−0.295
5 items	Pilot	−0.019	−0.113	0.454	−0.115
Total	Control	0.085	0.242	0.04	0.073
Total	Pilot	−0.085	−0.242	−0.02	0.006