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. 2014 Jul 4;8:468. doi: 10.3389/fnhum.2014.00468

Table 5.

Summary of regression results predicting orthographic learning of regular and irregular words from lexical and nonlexical processing components.

	Step	R²	Beta
			Age	Nonverbal IQ	Letter analysis	Letter-sound knowledge	Orthogr-aphic knowledge	Semantic knowledge	Phonological knowledge	Phonological buffer
REGULAR ITEMS
Untimed reading	1	0.22	0.34^*	0.23	0.17	0.43^*	0.18	−0.19	0.14	0.34^*
	2	0.66	0.20	0.04
Time-limited reading	1	0.19	0.35^*	2.57	0.11	0.34^*	0.32^*	−0.25	0.06	0.28^*
	2	0.54	0.24	0.04
Spelling	1	0.22	0.15	0.40^*	0.05	0.27^*	0.54^*	−0.13	−0.10	0.17
	2	0.57	−0.07	0.29^*
Orthographic choice	1	0.15	0.05	0.37^*	0.01	0.15	0.52^*	−0.06	−0.07	0.15
	2	0.43	−0.16	0.28^*
IRREGULAR ITEMS
Untimed reading	1	0.13	0.30^*	0.12	0.21	0.29^*	0.40^*	−0.23	0.10	0.14
	2	0.46	0.15	0.00
Time-limited reading	1	0.17	0.33^*	0.16	0.11	0.18	0.37^*	−0.12	0.20	0.21
	2	0.51	0.15	0.02
Spelling	1	0.28	0.19	0.44^*	0.10	0.20	0.50^*	−0.04	0.00	0.07
	2	0.57	−0.06	0.31^*
Orthographic choice	1	0.31	0.25	0.42^*	0.09	0.08	0.56^*	0.05	0.01	−0.05
	2	0.59	−0.04	0.32^*

^*

p < 0.05.