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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Neuropsychologia. 2009 Apr 22;47(10):2114–2119. doi: 10.1016/j.neuropsychologia.2009.04.013

Table 2.

Continuous Performance Test performance by ADHD diagnosis

Control ADHD
Mean SD Mean SD F p-value
N= 42 37
Ommission Errors 53.14 12.49 53.47 13.69 0.01 0.92
Commission Errors 46.99 9.31 50.95 10.34 3.12 0.08
Hit RT 57.00 11.30 54.50 13.61 0.77 0.38
RT Variability 58.35 11.95 57.59 12.45 0.07 0.79
Task Variability 58.16 12.20 54.64 11.02 1.68 0.20
D-prime 47.65 9.59 50.93 9.41 2.29 0.13
Beta (response style) 56.51 13.11 49.41 7.72 8.34 0.005

Note. RT=Reaction Time