Table 3.
Discriminant validity of the Cards and Lottery Task regarding different clinical groups.
| Group | n | CLT NAD Score | t | df | p | d | |
|---|---|---|---|---|---|---|---|
| M (SD) | |||||||
| ADHD | ADHD symptoms | 17 | 15.3 (5.6) | −2.038 | 1, 76 | .045 | .56 |
| no ADHD symptoms | 61 | 18.9 (6.6) | |||||
| Binge Eating | BE episodes no BE episodes |
29 49 |
16.8 (6.7) 18.9 (6.5) |
−1.335 | 1, 76 | .186 | .31 |
| Weight group | severe obesitya healthy controlsb |
78 70 |
18.1 (6.6) 20.4 (5.2) |
−2.356 | 1, 146 | .020 | .39 |
Significant p values are in boldface. CLT, Cards and Lottery Task; NAD, Number of Advantageous Decisions (0–36, lower scores indicate higher impulsivity); ADHD, attention-deficit/hyperactivity disorder; BE, binge eating.
apresent sample (mean BMI = 48.1 ± 8.3 kg/m2), bpopulation-based sample by Müller et al. (39).