		unhappiness. target.sum	exclude. target.sum	rumors. target.sum	disagreements. target.sum	encourage. scold.target.sum	deny.help. target.sum
Physical parameters	Gender	−0.009	−0.054	−0.050	−0.133(*)	−0.013	−0.112
		0.894	0.399	0.440	0.037	0.841	0.079
	Height	0.021	0.104	0.110	0.171	0.066	0.179(*)
		0.816	0.249	0.220	0.057	0.466	0.046
	Weight	0.022	0.214(*)	0.152	0.126	0.206(*)	0.195(*)
		0.805	0.017	0.094	0.166	0.022	0.031
Family background	education_level_father	−0.188(*)	−0.011	−0.211(*)	−0.147	−0.040	−0.060
		0.036	0.902	0.018	0.103	0.658	0.508
	education_ level_mother	−0.245(**)	0.002	−0.237(**)	−0.078	−0.083	−0.058
		0.006	0.987	0.007	0.383	0.353	0.518
Study situation	general_grade	−0.145	−0.199(*)	−0.213(*)	−0.158	−0.459(**)	−0.266(**)
Study situation		0.114	0.029	0.019	0.084	0.000	0.003
Experience abroad	travel_abroad (for athletic reasons)	−0.017	−0.057	0.030	0.055	−0.220(*)	−0.039
Experience abroad		0.854	0.526	0.737	0.541	0.013	0.666
Ambitiousness	desire for distinction as a professional	−0.190(*)	−0.250(**)	−0.271(**)	−0.205(*)	−0.167	−0.110
		0.033	0.005	0.002	0.021	0.062	0.220
	desire for distinction in science	−0.192(*)	−0.087	−0.197(*)	−0.223(*)	0.012	−0.056
		0.031	0.331	0.027	0.012	0.890	0.533
General involvem ent in bullying	Havingexperienced cyberbullying	0.095	0.145	0.180(*)	−0.017	0.069	0.045
		0.289	0.106	0.044	0.852	0.441	0.614
	Havingpracticed cyberbullying	0.111	0.138	0.174	0.210(*)	0.064	0.083
		0.218	0.123	0.051	0.018	0.477	0.358
	having practiced cyberbullying to other students	0.061	0.237(**)	0.056	0.031	0.085	0.057
		0.500	0.007	0.532	0.730	0.343	0.530
	having experienced bullying as a child	−0.052	0.178(*)	0.065	0.020	0.030	−0.038
		0.564	0.046	0.471	0.824	0.742	0.677
Social selectiveness	selecting friends based on encyclopedic criteria	−0.194(*)	0.003	−0.181(*)	−0.155	−0.072	−0.074
		0.029	0.978	0.042	0.084	0.425	0.408
	selecting friends based on intelligence criteria	−0.177(*)	−0.090	−0.180(*)	−0.245(**)	0.016	−0.040
		0.047	0.314	0.044	0.006	0.861	0.655
	selecting friends based on politeness criteria	−0.140	−0.204(*)	−0.155	−0.022	−0.049	−0.144
		0.118	0.022	0.084	0.807	0.587	0.107