Table 8. Linear model with objection, technical affinity and the interaction between the two as predictors and switching off time as criterion.

	Δ R2	ΔF	p	b	SE B	t	p
Constant				7.44	0.90	8.25	< .001
Objection (centred)	.10	7.80	.007	-5.35	1.80	-2.97	.004
Technical affinity (centred)	.08	6.33	.014	3.99	1.65	2.42	.018
Objection x Technical affinity	.04	3.23	.077	-5.93	3.30	-1.80	.077

Note. R² = .22