Table 2.
Correlation of Test Scores with Each Other
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. PCMP | -- | ||||||||||||
| 2. WJWA | .35 | -- | |||||||||||
| 3. WJWID | .57 | .62 | -- | ||||||||||
| 4. WRAT | .47 | .63 | .84 | -- | |||||||||
| 5. TWSW | .49 | .56 | .80 | .71 | -- | ||||||||
| 6. TWPD | .26 | .67 | .65 | .63 | .60 | -- | |||||||
| 7. WJFLU | .54 | .45 | .65 | .56 | .76 | .41 | -- | ||||||
| 8. NBRS | .47 | .51 | .77 | .68 | .87 | .58 | .79 | -- | |||||
| 9. WJOC | .52 | .00 | .10 | .07 | .07 | −.15 | .25 | .09 | -- | ||||
| 10. WJUD | .46 | .09 | .12 | .09 | .15 | −.05 | .32 | .14 | .59 | -- | |||
| 11. WJSR | .36 | .00 | .05 | .02 | .06 | −.10 | .20 | .07 | .58 | .58 | -- | ||
| 12. WJPV | .43 | .04 | .15 | .11 | .12 | −.04 | .26 | .13 | .65 | .46 | .44 | -- | |
| 13. BNT | .50 | .13 | .18 | .15 | .13 | .01 | .28 | .14 | .69 | .48 | .47 | .80 | -- |
N = 476
Note. For all coefficients except those in italics, p < .001, two-tailed. PCMP = WJ Passage Comprehension; WJWA = WJ Word Attack; WJWID = WJ Word Identification; WRAT = Wide Range Achievement Test – Reading; TWSW = TOWRE Single Word Efficiency; TWPD = Phonological Decoding Efficiency; WJFLU = WJ Reading Fluency; NBRS = NAAL Basic Reading Skills oral passage reading fluency; WJOC = WJ Oral Comprehension; WJUD = WJ Understanding Directions; WJSR = WJ Story Recall; WJPV = WJ Picture Vocabulary; BNT = Boston Naming Test.