Table 2.
Pearson correlations between the outcome measures
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Age | – | |||||||||||||
| 2 | Education | −.14 | – | ||||||||||||
| 3 | MoCA | −.13 | .32 | – | |||||||||||
| 4 | ADL-PSMS-SR | .36 | −.08 | −.16 | – | ||||||||||
| 5 | ADL-IADL-SR | .19 | −.19 | −.55 | .32 | – | |||||||||
| 6 | ADL-PSMS-IR | .07 | −.13 | −.32 | .17 | .41 | – | ||||||||
| 7 | ADL-IADL-IR | .26 | −.36 | −.54 | .23 | .56 | .13 | – | |||||||
| 8 | Switching-ST-RT | .18 | −.21 | −.39 | −.06 | .34 | .13 | .45 | – | ||||||
| 9 | Spatial WM | −.03 | .11 | .37 | −.06 | −.29 | −.21 | −.27 | −.40 | – | |||||
| 10 | WM updating | −.14 | .14 | .54 | −.14 | −.54 | −.26 | −.37 | −.11 | .21 | – | ||||
| 11 | Flanker-Interf | −.01 | −.05 | −.01 | −.01 | −.05 | −.06 | .00 | .00 | .04 | −.00 | – | |||
| 12 | GNG-Hits | −.03 | .13 | .19 | .09 | −.19 | −.14 | −.17 | −.45 | .36 | .16 | −.13 | – | ||
| 13 | GNG-nogo-ACC | −.03 | .10 | .16 | .05 | −.11 | −.07 | −.12 | −.10 | .12 | .04 | .05 | .15 | – | |
| 14 | Switching-SC | −.02 | −.04 | .04 | −.15 | .02 | .02 | .25 | .24 | .03 | .10 | −.01 | −.04 | −.01 | – |
| 15 | Switching-MC | −.22 | −.02 | .24 | .08 | −.15 | −.16 | −.11 | −.16 | .06 | .40 | −.06 | .02 | .09 | −.08 |
Note. p < .001 for values in bold; p < .01 for values in italics. SR = self-report; IR = informant report; ST-RT = RT on single-task trials of the switching task (=measure of general cognitive processing speed); Interf = interference score; SC = switch cost; MC = mixing cost. N = 120 for all correlations.