Table 2.
Correlations between observed variables
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reading | 1. LWID | --- | |||||||||||||||||||
| 2. WA | .81 | --- | |||||||||||||||||||
| 3. PDE | .84 | .84 | --- | ||||||||||||||||||
| Transcription | 4. WJ Spelling | .84 | .75 | .73 | --- | ||||||||||||||||
| 5. Spelling: Informal | .77 | .69 | .65 | .77 | --- | ||||||||||||||||
| 6. LWF | .46 | .41 | .41 | .50 | .48 | --- | |||||||||||||||
| Oral Language | 7. PV | .42 | .47 | .41 | .37 | .38 | .24 | --- | |||||||||||||
| 8. TOLD-SI | .36 | .39 | .36 | .32 | .40 | .22 | .39 | --- | |||||||||||||
| 9. TOLD- GC | .42 | .45 | .38 | .34 | .42 | .36 | .49 | .60 | --- | ||||||||||||
| Attention | 10. SWAN: Memory | .47 | .42 | .40 | .44 | .54 | .46 | .19 | .26 | .37 | --- | ||||||||||
| 11. SWAN: Set Shift | .38 | .33 | .34 | .32 | .38 | .32 | .15 | .18 | .24 | .71 | --- | ||||||||||
| 12. SWAN: Inhibitory Control | .37 | .31 | .31 | .33 | .44 | .37 | .15 | .21 | .30 | .83 | .83 | --- | |||||||||
| K Fluency | 13. Words | .60 | .50 | .53 | .59 | .62 | .48 | .16 | .29 | .27 | .44 | .41 | .39 | --- | |||||||
| 14. Sent. | .44 | .37 | .40 | .44 | .51 | .41 | .15 | .21 | .26 | .42 | .37 | .39 | .82 | --- | |||||||
| 15. Ideas | .52 | .47 | .49 | .52 | .58 | .47 | .20 | .26 | .29 | .42 | .36 | .38 | .87 | .90 | --- | ||||||
| First Grade Quality | 16. Ideas | .28 | .27 | .26 | .31 | .34 | .24 | .17 | .23 | .24 | .23 | .16 | .21 | .26 | .23 | .25 | --- | ||||
| 17. Structure | .33 | .26 | .28 | .34 | .34 | .20 | .20 | .15 | .19 | .27 | .17 | .26 | .27 | .20 | .22 | .56 | --- | ||||
| 18. Word Choice | .28 | .27 | .27 | .33 | .32 | .21 | .23 | .20 | .24 | .26 | .18 | .26 | .24 | .23 | .21 | .50 | .46 | --- | |||
| 19. Grammar | .39 | .32 | .35 | .41 | .44 | .28 | .17 | .29 | .35 | .40 | .29 | .35 | .33 | .27 | .30 | .57 | .61 | .46 | --- | ||
| First Grade Fluency | 20. CWS | .60 | .44 | .49 | .54 | .53 | .33 | .16 | .30 | .25 | .46 | .40 | .42 | .51 | .46 | .47 | .37 | .36 | .27 | .58 | --- |
Note. All coefficients are statistically significant at .05 level.
LWID= Letter-Word Identification; WA= Word Attack; PDE= Phonemic Decoding Efficiency; LWF= Letter Writing Fluency; PV= Picture Vocabulary; TOLD-SI= Test of Language Development Sentence Imitation; TOLD-GC= Test of Language Development Grammatic Completion; CWS= Correct writing sequences