Table 4

Multiple linear regression results

Predictor	Standardised β	Unstandardised β	p Value
First step of regression	R²=0.22	F=7.13	p<0.001
Backward masking error rate	0.32	4.68	<0.01
Progressive demasking error rate	−0.35	−11.84	<0.01
Speech-in-noise error rate	0.17	2.63	=0.06
Short term memory error rate	0.36	13.61	<0.01
Second step of regression	R²=0.30	F-change=2.69	p<0.05
Backward masking error rate	0.21	3.15	0.07
Progressive demasking error rate	−0.30	−10.11	<0.05
Speech-in-noise error rate	0.09	1.44	0.34
Short-term memory error rate	0.41	15.27	<0.01
Backward masking near Misses	0.21	7.47	<0.05
Progressive demasking near Misses	−0.10	−3.48	0.34
Speech-in-noise near misses	0.21	4.90	<0.05
Short-term memory near misses	−0.09	−3.26	0.40
Third step of regression	R²=0.32	F-change=0.92	p=0.45
Backward masking error rate	0.19	2.87	0.11
Progressive demasking error rate	−0.35	−11.74	<0.01
Speech-in-noise error rate	0.13	2.04	0.21
Short-term memory error rate	0.37	14.04	<0.05
Backward masking near misses	0.15	5.49	0.14
Progressive demasking near misses	−0.11	−3.93	0.30
Speech-in-noise near misses	0.23	5.38	<0.05
Short-term memory near misses	−0.10	−3.57	0.40
Backward masking response times	0.18	0.10	0.21
Progressive demasking response times	0.17	0.21	0.37
Speech-in-noise response times	−0.15	−0.06	0.30
Short term memory response times	−0.11	−0.07	0.49
Fourth step of regression	R²=0.37	F-change=2.06	p=0.08
Backward masking error rate	0.02	0.23	0.90
Progressive demasking error rate	−0.21	−6.88	0.11
Speech-in-noise error rate	0.14	2.08	0.18
Short-term memory error rate	0.45	16.86	<0.01
Backward masking near misses	0.20	7.24	<0.05
Progressive demasking near misses	−0.15	−5.33	0.15
Speech-in-noise near misses	0.14	3.30	0.16
Short-term memory near misses	−0.06	−2.13	0.59
Word frequency	−0.05	−0.00	0.65
Familiarity	−0.26	−74.01	<0.05
Bigram frequency	−0.01	−752.96	0.89
Length	−0.12	−4.28	0.29
Similarity	−0.12	196.97	0.26