Table 3

Mean scores of the adolescents with ADHD and comparison controls for the last 100 selections on the card task (standard deviations in parentheses)

Deck
ADHD
n
Control
n
F(1,77)
Cohen's d

Deck A – Disadvantageous
23.3 (9.7)
44
24.4 (7.3)
34
0.34
-0.13
Deck B – Disadvantageous
34.1 (10.0)
44
29.4 (10.4)
34
4.17*
0.46
Deck C – Advantageous
19.9 (8.3)
44
20.3 (8.8)
34
0.06
-0.05
Deck D – Advantageous
21.6 (7.0)
44
26.9 (12.2)
34
5.81*
-0.53
Monetary Outcome
-10.0 (7.0)
44
-6.4 (11.4)
34
2.99†
-0.38

* p < .05, † p < .10

Toplak et al. Behavioral and Brain Functions 2005 1:8   doi:10.1186/1744-9081-1-8