| Explanatory variable | Verbal recognition task (d’) | Verbal source-monitoring task | ||
| Step 1 | Step 2 | Step 1 | Step 2 | |
| Age in months | .042+ | .015 | .146** | .065 |
| Backward digit span |
| .017 |
| .175* |
| Listening span |
| .046 |
| .155 |
| Rotated figure |
| .091 |
| .087 |
| R2 | .084+ | .184 | .199** | .400** |
| ΔR2 | .084 | .100 | .199 | .201 |