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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Neuropsychology. 2013 Sep 16;27(6):713–724. doi: 10.1037/a0033994

Table 4.

Main and Interaction Effects of ADHD and Alcohol Exposure (AE, ADHD, AE × ADHD)

AE main effect
ADHD main effect
AE × ADHD interaction
F p ηp2 F p ηp2 F p ηp2
WISC-IV (overall)
  F(4,333)
17.78 <.001 .176 11.96 <.001 .126 3.33 .011 .038
 Verbal comprehension
  F(1,336)
63.73 <.001 .159 23.50 <.001 .065 8.11 .005 .024
 Perceptual reasonig
  F(1,336)
44.18 <.001 .116 25.02 <.001 .069 10.31 .001 .030
 Working memory
  F(1,336)
37.58 <.001 .101 44.81 <.001 .118 1.29 .257 .004
 Processing speed
  F(1,336)
26.97 <.001 .074 20.22 <.001 .057 2.84 .093 .008
D-KEFS overall
  F(7,311)
11.02 <.001 .199 3.43 .001 .072 2.52 .016 .054
 Design fluency
  F(1,317)
22.76 <.001 .067 8.60 .004 .026 4.44 .036 .014
 Color-word inhibition
  F(1,317)
19.35 <.001 .058 11.70 .001 .036 0.64 .424 .002
 Color-word switching
  F(1,317)
21.90 <.001 .065 7.83 .005 .024 1.25 .264 .004
 Twenty question
  F(1,317)
31.68 <.001 .091 5.24 .023 .046 2.34 .127 .007
 Tower task
  F(1,317)
2.92 .088 .009 9.73 .002 .030 0.62 .430 .002
 Verbal fluency
  F(1,317)
40.51 <.001 .113 5.35 .021 .017 13.15 <.001 .040
 Trail making
  F(1,317)
19.78 <.001 .059 14.31 <.001 .043 6.87 .009 .021
CANTAB overall
  F(4,302)
11.36 <.001 .131 6.90 <.001 .084 3.40 .010 .043
 Delay matching to sample
  F(1,306)
13.45 <.001 .042 21.60 <.001 .066 0.04 .835 <.001
 IED total errors
  F(1,306)
8.48 .004 .027 3.10 .079 .010 0.46 .497 .002
 IED stages completed
  F(1,306)
9.79 .002 .031 0.17 .895 <.001 3.55 .061 .012
 Spatial working memory
  F(1,306)
41.57 <.001 .120 11.97 .001 .038 10.42 .001 .033

Note. ηp2 = Partial eta squared effect sizt; WISC-IV = Wechsler Intelligence Scale for Children, Fourth Edition; D-KEFS = Delis-Kaplan Executive Function System; CANTAB = Cambridge Neuropsychological Test Automated Battery; IED = Intra-Extra Dimensional Shift.