Table 2.

Correlations among measures

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
1. WJ-III Letter Word Identification	1
2. WJ-III Word Attack	.73	1
3. TOWRE Sight Word Efficiency	.92	.73	1
4. WJ-III Spelling	.78	.65	.77	1
5. Spell sight words	.65	.52	.61	.64	1
6. Spell real words	.64	.50	.61	.64	.78	1
7. WJ-III Picture Vocabulary	.29	.37	.31	.25	.28	.25	1
8. KBIT Verbal	.21	.33	.20	.21	.33	.28	.48	1
9. TOLD Sentence Imitation	.20	.32	.25	.18	.26	.24	.34	.48	1
10. TOLD Grammatic Completion	.27	.42	.26	.23	.32	.30	.48	.53	.54	1
11. Letter writing automaticity	.32	.30	.31	.41	.33	.39	.13+	.02+	.01+	.24	1
12. SWAN Attention	.43	.39	.41	.38	.42	.46	.20	.22	.19	.35	.34	1
13. Narrative: Idea development	.26	.25	.28	.23	.24	.14+	.14+	.21	.22	.14+	.10+	.27	1
14. Narrative: Organization	.37	.35	.37	.26	.32	.23	.24	.29	.38	.38	.10+	.27	.61	1
15. WIAT-III: Idea development	.28	.23	.30	.22	.17	.12+	.10+	.10+	.26	.11+	.23	.24	.42	.33	1
16. WIAT-III: Organization	.46	.42	.45	.37	.30	.27	.15+	.23	.24	.20	.15+	.27	.33	.30	.34	1
17. Pet: Idea development	.20	.17+	.20	.17+	.22	.20	.02+	.06	.09+	.12	.05+	.14+	.30	.28	.41	.29	1
18. Pet: Organization	.34	.31	.37	.32	.32	.24	.04+	.11+	.15+	.20	.14+	.21	.33	.38	.34	.27	.46

Note: All coefficients are statistically significant at .05 level except those with + symbols.

WJ-III = Woodcock Johnson-III; TOWRE = Test of Word Reading Efficiency; TOLD = Test of Language Development; WIAT-III = Wechsler Individual Achievement Test-Third Edition