Table 4.
Correlations of Study Variables.
| 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. | 11. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.ITN | – | ||||||||||
| 2.EDU | .47*** | – | |||||||||
| 3.P3b go amp | .26* | .17 | – | ||||||||
| 4.P3b no-go amp | .22† | .12 | .86*** | – | |||||||
| 5.ACC go amp | .12 | .20† | .27* | .18 | – | ||||||
| 6.ACC no-go amp | .06 | −.03 | .00 | −.13 | −.10 | – | |||||
| 7.RT go | −.01 | .07 | −.12 | -.09 | -.54*** | .48*** | – | ||||
| 8.Lang- uage |
.33** | .19 | .12 | .11 | −.01 | .09 | .09 | – | |||
| 9.Non- verbal IQ |
.19 | .04 | −.03 | −.02 | −.06 | .27* | .03 | .44*** | – | ||
| 10.Age | .02 | .02 | .11 | .07 | .41*** | −.08 | 0.24† | −.22† | −.14 | – | |
| 11.Gender | -.04 | -.03 | .15 | −.03 | −.16 | .19 | .03 | −.09 | −.18 | −.23† | – |
Note. ITN = income-to-needs ratio; EDU = parent education; amp = amplitude; ACC = accuracy; RT = reaction time.
†
p < 0.10.
*
p < 0.05.
**
p < 0.01.
***
p <0.001.