Table 5. Hierarchical multiple regression table predicting speeded naming latencies.

Variable	Beta	SE B	â	t-value	p-value
Factor 1: Word length	34.27	3.02	.49	11.35	<.001
Factor 2: Phonotactic probability	−11.92	3.55	−.71	−3.35	.001
Factor 3: Frequency/Familiarity	−33.02	.92	−.47	−35.75	<.001
Factor 4: Phonological complexity	19.91	3.10	.29	6.43	<.001
Length Factor *Concreteness	−.002	.01	−.01	−.21	.831 (ns)
Probability Factor *Concreteness	.03	.01	.29	4.17	<.001
Complexity Factor *Concreteness	−.04	.01	−.38	−5.57	<.001

Note: Values above reflect significance for step 2 of the regression model after partialling the variance due to word onsets (see description of step 1); Final model R = .74, R2 = .54, Model significance F(18,2757) = 178.27, p<.001.