Table 4 Association between fast task variables and parent and teacher ratings on the Conners' scales (T-scores): correlations (r) and partial correlations, controlling for age (partial r), with associated effect sizes (d)
Measure | Teacher (n = 36): total ADHD symptom score | Parent (n = 43): total ADHD symptom score | ||||||
|---|---|---|---|---|---|---|---|---|
r | d | partial r | d | r | d | partial r | d | |
baseline (all trials) | ||||||||
mean RT | .19 | 0.4 | .42** | 0.9 | -.06 | -0.1 | .13 | 0.3 |
SD of RTs | .45** | 1.0 | .58** | 1.4 | .16 | 0.3 | .29 | 0.6 |
baseline (30 trials) | ||||||||
mean RT | .14 | 0.3 | .35* | 0.7 | -.11 | -0.2 | .06 | 0.1 |
SD of RTs | .44** | 1.0 | .55** | 1.3 | .17 | 0.4 | .28 | 0.6 |
fast-incentive | ||||||||
mean RT | -.03 | -0.1 | .10 | 0.2 | -.08 | -0.2 | .10 | 0.2 |
SD of RTs | .09 | 0.2 | .22 | 0.5 | .08 | 0.2 | .26 | 0.5 |
difference score (baseline 30 trials – fast-incentive) | ||||||||
mean RT | .20 | 0.4 | .24 | 0.5 | .07 | 0.1 | -.03 | 0.0 |
SD of RTs | .47** | 1.1 | .47** | 1.1 | .14 | 0.3 | .14 | 0.3 |