Table 3.
Correlation Matrix of Cognitive Factor Scores from Willcutt, Betjemann, et al. (2010)
| Measure | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
| 1. Word Reading | 1.00 | |||||||
| 2. Attention | .35 | 1.00 | ||||||
| 3. Response Inhibition | .35 | .32 | 1.00 | |||||
| 4. Processing Speed | .56 | .37 | .34 | 1.00 | ||||
| 5. Naming speed | .49 | .30 | .30 | .59 | 1.00 | |||
| 6. Phoneme Awareness | .71 | .27 | .38 | .46 | .45 | 1.00 | ||
| 7. Verbal Reasoning | .61 | .24 | .32 | .47 | .34 | .53 | 1.00 | |
| 8. Working Memory | .58 | .28 | .33 | .43 | .42 | .64 | .49 | 1.00 |
Note: All variables are z scores. The shaded columns and rows show the measures on which a cut was made to determine group membership (Willcutt, Betjemann, et al., 2010, p. 1352, Table 2).