Table 5. Hierarchical regression analyses for the timing measures for the models with the memory (short-term and working memory) as first predictor.

	DL (0.5/1-s)					DL (4/8-s)					WR
Variables	B	SE B	β	R2	B	SE B	β	R2	B	SE B	β	R2
Model 1
1. Short-Term Memory	−33.90	10.09	−.31**		−241.2	84.36	−.28**		−.04	.01	−.34***
1. Working Memory	−27.53	10.09	−.25**		−98.46	84.36	−.12		−.03	.01	−.20*
Overall significance				.27***				.14***				.25***
Model 2
1. Short-Term Memory	−33.57	9.87	−.30**		−239.4	83.73	−.28**		−.04	.01	−.33***
1. Working Memory	−19.07	10.26	−.17		−52.69	87.07	−.06		−.02	.01	−.12
2. Selective Attention	−22.65	7.53	−.21**		−122.5	63.93	−.14		−.03	.01	−.21**
Overall significance				.30**				.16				.29**
Model 3
1. Short-Term Memory	−19.83	10.53	−.18		−17.11	82.16	−.02		−.02	.01	−.13
1. Working Memory	−17.46	10.02	−.16		−26.66	78.13	−.03		−.01	.01	−.10
2. Selective Attention	−8.77	8.53	−.08		101.95	66.51	.12		.01	.01	−.01
3. Processing Speed	−31.81	9.92	−.29**		−514.3	77.41	−.60***		−.06	.01	−.48***
Overall significance				.34**				.33***				.39***
Model 4
1. Short-Term Memory	−20.24	10.61	−.18		−21.99	82.74	−.03		−.02	.01	−.13
1. Working Memory	−16.54	10.32	−.15		−15.85	80.46	−.02		−.01	.01	−.09
2. Selective Attention	−8.59	8.56	−.08		104.00	66.72	.12		.01	.01	−.01
3. Processing Speed	−25.41	19.30	−.23		−439.4	150.45	−.52**		−.05	.02	−.39*
4. Age	−.07	.19	−.07		−.87	1.50	−.10		.01	.01	−.10
Overall significance				.34				.33				.39

Abbreviations: DL, Difference Limen; WR, Weber Ratio; B, Unstandardized beta coefficient; SE B, Standard error on beta; β, Standardized beta coefficient.

^* p<.05; ** p<.001; *** p<.001.