Table 5.

Summary of regression analyses predicting comprehension and generation by screening tests and measures of executive functions across groups.

		Predictor variable	B	SE B	β	R2	ΔR2	t
Comprehension	Conventional metaphors	Group	-2.98	3.84	-0.13	0.18*	0.18*	-0.77
		Vocabulary	0.78	0.32	0.44	0.35***	0.17**	2.51*
		Naming	1.90	0.90	0.30	0.43***	0.08*	2.11*
	Novel metaphors	Group	8.39	6.98	0.20	0.00	0.00	1.20
		TMT-B	-0.40	0.14	-0.50	0.22*	22.0**	-2.94**
Generation	Metaphor	Group	30.00	8.52	0.54	0.19**	0.19**	3.52***
		TONI-3	3.12	1.31	0.37	0.32**	0.13*	2.38*
	Simile	Group	12.41	7.77	0.25	0.01	0.01	1.60
		TONI-3	4.23	1.19	0.56	0.29**	0.28***	3.54***

*p < 0.05, **p < 0.01, ***p < 0.001.