Table B.1.

Correlations Across Girls and Boys

Group	Measure	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19
Girls
	1. Age	--
	2. Story Problems	.070	--
	3. Addition 0–12	.178^*	.268^**	--
	4. Addition 0–18	.086	.264^**	.754^**	--
	5. DD Addition	.074	.240^**	.522^**	.492^**	--
	6. Subtraction 0–12	.149	.363^**	.502^**	.549^**	.290^**	--
	7. Subtraction 0–18	.193^*	.330^**	.427^**	.399^**	.264^**	.740^**	--
	8. DD Subtraction	−.087	.262^**	.465^**	.415^**	.730^**	.153^*	.206^**	--
	9. WASI MR	.005	.361^**	.206^**	.311^**	.217^**	.224^**	.183^*	.243^**	--
	10. WJ-III CF	.012	.463^**	.239^**	.241^**	.242^**	.222^**	.227^**	.228^**	.358^**	--
	11. WMTB-C LR	.059	.425^**	.157^*	.171^*	.190^*	.158^*	.171^*	.205^**	.326^**	.392^**	--
	12. WMTB-C CR	.069	.249^**	.220^**	.221^**	.283^**	.123	.138	.317^**	.273^**	.300^**	.408^**	--
	13. WASI Vocabulary	.011	.353^**	.072	.132	.004	−.027	−.038	.021	.191^*	.385^**	.366^**	.221^**	--
	14. WDRB LC	.071	.397^**	.135	.163^*	.086	.173^*	.169^*	.125	.189^*	.443^**	474^**	.111	.578^**	--
	15. WIF-B	.079	.427^**	.340^**	.338^**	.265^**	.410^**	.376^**	199^**	.259^**	.254^**	.398^**	.274^**	.242^**	.291^**	--
	16. WIF-N	−.003	.406^**	.404^**	.398^**	.314^**	.475^**	441^**	.286^**	.258^**	.251^**	.406^**	.277^**	.232^**	.333^**	.883^**	--
	17. ITBS9	.009	.583^**	.405^**	.400^**	.317^**	.354^**	.308^**	.267^**	.454^**	.418^**	447^**	.253^**	.376^**	.376^**	.394^**	.403^**	--
	18. ITBS10	−.040	.489^**	.372^**	.331^**	.292^**	.301^**	.246^**	.268^**	.346^**	.343^**	.260^**	.232^**	.312^**	.350^**	.272^**	.321^**	.480^**	--
	19. VSP	.038	.536^**	.311^**	.298^**	.197^*	.278^**	.198^*	.125	.368^**	.437^**	.443^**	.292^**	.258^**	.360^**	.450^**	.447^**	.589^**	.440^**	--
Boys
	1. Age	--
	2. Story Problems	−.077	--
	3. Addition 0–12	−.066	.478^**	--
	4. Addition 0–18	−.085	.516^**	.801^**	--
	5. DD Addition	−.110	.319^**	.518^**	.494^**	--
	6. Subtraction 0–12	−.001	.398^**	.649^**	.543^**	.399^**	--
	7. Subtraction 0–18	−.039	.347^**	.653^**	.576^**	.409^**	.754^**	--
	8. DD Subtraction	−.011	.223^*	.478^**	.463^**	.704^**	.348^**	.425^**	--
	9. WASI MR	−.023	.199^*	.119	.167	−.057	.165	.129	.011	--
	10. WJ-III CF	−.011	494^**	.254^**	.301^**	.096	.254^**	.229^**	.045	.279^**	--
	11. WMTB-C LR	−.086	.417^**	.257^**	.172^*	.180^*	.165	.126	−.020	.236^**	.234^**	--
	12. WMTB-C CR	−.031	.341^**	.354^**	.266^**	.290^**	.311^**	.314^**	.161	.313^**	.254^**	.405^**	--
	13. WASI Vocabulary	.061	.440^**	.071	.022	.040	−.024	−.026	−.073	.161	.365^**	.243^**	.231^**	--
	14. WDRB LC	.002	.410^**	.105	.088	.018	.046	.070	−.133	.177^*	.372^**	.338^**	.329^**	.652^**	--
	15. WIF-B	−.176^*	.391^**	.445^**	.402^**	.382^**	.335^**	.305^**	.232^**	.057	.346^**	.308^**	.189^*	.217^*	.317^**	--
	16. WIF-N	−.116	.383^**	.515^**	.434^**	.403^**	.356^**	.350^**	.280^**	.057	.291^**	.341^**	.200^*	.177^*	.255^**	.900^**	--
	17. ITBS9	−.189^*	.640^**	.397^**	.418^**	.287^**	.416^**	.352^**	.166	444^**	.509^**	.309^**	.412^**	.478^**	.452^**	.492^**	.482^**	--
	18. ITBS10	−.078	.584^**	.366^**	.399^**	.217^*	.330^**	.216^*	.129	.430^**	.436^**	.269^**	.321^**	.413^**	.409^**	.366^**	.346^**	.665^**	--
	19. VSP	−.128	.551^**	.562^**	.552^**	.291^**	.486^**	.384^**	.227^*	.416^**	.504^**	.359^**	411^**	.293^**	.354^**	.437^**	.408^**	.633^**	.606^**	--

Note. Across correlations, N ranges 151–174 and 112–135 for girls and boys, respectively. Age = Age in second grade; DD = Double digit; WASI = Wechsler Abbreviated Scale of Intelligence; MR = Matrix Reasoning; WJ=III = Woodcock-Johnson, Third Edition; CF = Concept Formation; WMTB-C = Working Memory Test Battery for Children; LR = Listening recall; CR = Counting recall; Vocab. = Vocabulary; WDRB = Woodcock Diagnostic Reading Battery; LC = Listening comprehension; WIF-B/N = Word identification fluency form B/N; VSP = Vanderbilt Story Problems; ITBS9/10 = Iowa Test of Basic Skills level 9/10.

^**

p < .01

p < .05