Factor loadings from the PCA, Varimax rotated, based on dataset previously reported by de Chastelaine et al. (2016)
| Speed (RC1) | Memory (RC2) | Crystallized intelligence (RC3) | Fluency (RC4) | |
|---|---|---|---|---|
| CVLT composite | –0.19 | 0.84 | 0.08 | –0.15 |
| CVLT recognition, hits | –0.20 | 0.42 | 0.23 | –0.64 |
| CVLT recognition, false alarms | 0.21 | –0.69 | 0.26 | –0.17 |
| Logical memory composite | 0.10 | 0.67 | 0.18 | 0.02 |
| Trails A (s) | 0.91 | –0.09 | –0.05 | –0.14 |
| Trails B (s) | 0.85 | –0.09 | –0.28 | 0.08 |
| SDMT | –0.59 | 0.40 | 0.08 | 0.30 |
| Digit span | –0.16 | 0.01 | 0.80 | –0.08 |
| Category fluency | –0.34 | 0.23 | 0.14 | 0.63 |
| F-A-S | –0.12 | 0.06 | 0.46 | 0.57 |
| WTAR | –0.12 | 0.12 | 0.79 | 0.21 |
| Raven’s | –0.33 | 0.48 | 0.10 | 0.05 |
| Eigenvalue | 3.65 | 1.70 | 1.28 | 1.06 |
| Variance explained (before rotation) | 0.20 | 0.14 | 0.11 | 0.09 |
| Variance explained (after rotation) | 0.19 | 0.19 | 0.15 | 0.11 |