Table 6.

Hierarchical Regression Statistics for Applied Problems Outcome Model

	B	SE	t	β	p
Model 1
Behavioral Inattention	0.1580	0.0712	2.22	0.1398	0.0277
Spatial Working Memory	0.8894	0.3417	2.60	0.1582	0.0100
Verbal Working Memory	0.7733	0.2581	3.00	0.1984	0.0031
Phonological Awareness	1.8118	0.2927	6.19	0.4036	<.0001
Model 2a
Behavioral Inattention	0.0872	0.0715	1.22	0.0772	0.2244
Spatial Working Memory	0.4744	0.3501	1.35	0.0844	0.1772
Verbal Working Memory	0.6550	0.2520	2.60	0.1680	0.0102
Phonological Awareness	1.5408	0.2972	5.18	0.3433	<.0001
Procedural Counting	2.5389	1.1146	2.28	0.1546	0.0240
Conceptual Counting	2.7002	1.1492	2.35	0.1508	0.0199
Model 2b
Behavioral Inattention	−0.0183	0.0761	−0.24	−0.0162	0.8102
Spatial Working Memory	0.4620	0.3415	1.35	0.0822	0.1779
Verbal Working Memory	0.5698	0.2472	2.31	0.1462	0.0218
Phonological Awareness	1.2774	0.2994	4.27	0.2846	<.0001
Procedural Counting	1.4071	1.1605	1.21	0.0857	0.2270
Conceptual Counting	1.5010	1.1730	1.94	0.0843	0.1999
Symbolic Number Identification	0.6692	0.3447	1.94	0.1442	0.0538
Symbolic Number Comparison	0.2350	0.0815	2.88	0.1981	0.0044
Model 3a
Behavioral Inattention	−0.0128	0.0764	−0.17	−0.0114	0.8668
Spatial Working Memory	0.6405	0.3285	1.95	0.1139	0.0528
Verbal Working Memory	0.6032	0.2466	2.45	0.1547	0.0154
Phonological Awareness	1.3297	0.2963	4.49	0.2962	<.0001
Symbolic Number Identification	0.8779	0.3222	2.72	0.1891	0.0071
Symbolic Number Comparison	0.2823	0.0773	3.65	0.2379	0.0003

Model 3b (See Model 2b)
Model/Model Comparison	R2 / R2 Δ	F	p
R2 Model 1	0.4566	36.76	<.0001
R2 Δ Model 2a – 1	0.0399	6.85	0.0014
R2 Δ Model 2b – 2a	0.0335	6.09	0.0028
R2 Δ Model 3b – 3a	0.0099	1.80	ns
R2 Full Model (2b/3b)	0.5300	24.10	<.0001

Note. B = parameter estimate; SE = standard error; t = t value; β = standardized estimate; p = p value. Abbreviations as in Table 2. Model 3b will have the same parameter estimates as Model 2b and therefore is not listed.