Table 7. Influence of background on social responsiveness, welfare, and personality.

For each model and predictor, estimates, standard errors (SE), t value, and p-values ( p).

GLMs	Response variables	Parameters	Estimate	SE	t	p
Best model 5	SRS: Social Reluctance	Intercept	-0.37	0.20	-1.84	0.07
		Juvenile Social Exposure (h2)	0.07	0.35	0.21	0.83
		Juvenile Social Exposure (h3)	1.10	0.30	3.67	0.00
		Juvenile Social Exposure (h4)	0.07	0.45	0.17	0.87
Best model 6	SRS: Inappropriate Behaviour	Intercept	-0.68	0.27	-2.51	0.02
		Rearing (e2)	0.89	0.31	2.87	0.01
Best model 7	16PF: Introversion	Intercept	2.98	1.48	2.02	0.05
		Juvenile Social Exposure (h2)	-2.24	1.71	-1.31	0.20
		Juvenile Social Exposure (h3)	2.91	1.54	1.89	0.07
		Juvenile Social Exposure (h4)	-5.18	2.33	-2.23	0.03
		Life Experience (f2)	3.01	1.51	1.99	0.05
		Life Experience (f3)	-1.99	2.41	-0.82	0.42
		Life Experience (f4)	6.82	2.23	3.05	0.00
		Sex (a2)	4.79	1.27	3.76	0.00
		Species (c2)	-4.24	1.65	-2.57	0.01
		Species (c4)	-2.62	1.60	-1.64	0.11
		Species (c5)	0.29	2.02	0.14	0.89
Best model 8	16PF: Unfriendliness	Intercept	-0.65	0.27	-2.39	0.02
		Rearing (e2)	0.85	0.31	2.73	0.01
Best model 9	16PF: Calmness	Intercept	0.64	0.27	2.36	0.02
		Rearing (e2)	-0.84	0.31	-2.70	0.01
Best model 10	Welfare: Welfare	Intercept	15.86	1.45	10.91	0.00
		Rearing (e2)	-5.87	1.66	-3.53	0.00
Best model 11	Welfare: Psychological Stimulation	Intercept	3.33	0.29	11.46	0.00
		Infancy Social Exposure (g2)	-0.67	0.37	-1.84	0.07
		Infancy Social Exposure (g3)	-0.90	0.32	-2.83	0.01
		Infancy Social Exposure (g4)	-0.26	0.43	-0.60	0.55
		Life Experience (f2)	-0.43	0.22	-1.98	0.05
		Life Experience (f3)	-0.33	0.41	-0.81	0.42
		Life Experience (f4)	-1.28	0.41	-3.14	0.00

Note. The Best Models in bold have some significant results at p < 0.05.