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Table 4 ANOVA statistics included post hoc IQ adjustments for tests of executive functions. The statistics F, p, and ηp2 presented for ANOVAs without IQ adjustments. On working memory tests, higher scores reflect better results, whereas on Conners' CPT II, higher scores reflect poorer results.

From: Attention Deficit Hyperactivity Disorder (ADHD) among longer-term prison inmates is a prevalent, persistent and disabling disorder

Test and measured function N F p η p 2 Post hoc test Post hoc adjusted for IQ
Measures of working memory Control:18
ADHD-psych: 20
ADHD-prison: 30
     
Digit Span   21.29 < .001 .396 C>Psych > Prison C > Psych = Prison
Span Board   24.88 < .001 .434 C>Psych > Prison C > Psych = Prison
Conners' CPT II Control:18
ADHD-psych: 20
ADHD-prison: 27
     
CCPT reaction time       
Hit RT   .48 .617 .015 C = Psych = Prison C = Psych = Prison
CCPT variability       
Variability   26.38 < .001 .460 C = Psych < Prison C = Psych < Prison
Hit RT block change   .29 .749 .009 C = Psych = Prison C = Psych = Prison
Hit SE block change   .165 .848 .005 C = Psych = Prison C = Psych = Prison
Hit RT ISI change   1.22 .302 .038 C = Psych = Prison C = Psych = Prison
Hit SE ISI change   .662 .519 .021 C = Psych = Prison C = Psych = Prison
Perseverations   8.66 < .001 .218 C = Psych < Prison C = Psych < Prison
CCPT accuracy       
Omission errors   16.23 < .001 .344 C = Psych < Prison C = Psych < Prison
Commission errors   12.61 < .001 .289 C = Psych < Prison C = Psych < Prison
Detectability (d')   9.21 < .001 .229 C < Prison
Psych = C
Psych = Prison
C < Prison
Psych = C
Psych = Prison
Response style (beta)   4.27 .018 .121 Psych < Prison
Psych = C
Prison = C
Psych < Prison
Psych = C
Prison = C
  1. Note: CCPT = Conners' Continuous Performance Test; RT = reaction time; SE = standard error; ISI = interstimulus interval; N/A = not applicable