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Table 3 Performance in the CPT-OX with flankers and effect sizes (Cohen's d) for group differences

From: Cognitive-electrophysiological indices of attentional and inhibitory processing in adults with ADHD: familial effects

  Controls* Fathers ADHD* Cohen's d
     Controls
Vs
Fathers
Controls
Vs
ADHD*
Fathers
Vs
ADHD
MRT, mean (SD) 377.76 (55.40) 390.21 (34.57) 468.79 (106.54) 0.27 1.07 0.99
SD-RT, mean (SD) 69.13 (36.18) 85.08 (44.92) 129.16 (62.21) 0.39 1.18 0.81
CV, mean (SD) 0.18 (0.07) 0.21 (0.10) 0.27 (0.09) 0.35 1.12 0.63
Total commission errors 1.0 (1.34) 0.79 (0.78) 2.19 (4.74) 0.19 0.02 0.41
O-not-X commission errors 0.45 (1.00) 0.32 (0.58) 0.57 (1.12) 0.16 0.11 0.28
Omission errors 0.45 (0.69) 0.79 (1.55) 2.76 (3.35) 0.28 0.96 0.75
  1. MRT: mean reaction time in milliseconds
  2. SD-RT: within-subject variability in RTs in milliseconds
  3. CV: coefficient of variation (SD-RT/MRT)
  4. * Previously reported in McLoughlin et al., 2010
  5. Large effect sizes in italics.