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. Author manuscript; available in PMC: 2011 Jul 14.
Published in final edited form as: Neuropsychology. 2007 May;21(3):301–312. doi: 10.1037/0894-4105.21.3.301

Table 4. Mean IQ and PW Stroop Task Performance for High- and Low-Anxious Psychopathic and Nonpsychopathic Participants.

Low-anxious subjects High-anxious subjects
Nonpsychopathic
(n = 42)		 Psychopathic
(n = 19)		 Nonpsychopathic
(n = 28)		 Psychopathic
(n = 29)
Variable M SD M SD M SD M SD
IQ 102.43 10.14 97.67 5.75 96.34 8.84 93.90 11.68
Errors 1.02 1.49 0.84 0.83 0.63 0.93 1.17 1.18
Interference 1.89 3.07 0.56 2.18 1.45 2.80 2.36 4.42

Note. IQ = Shipley Institutes of Living Scale estimated Wechsler Adult Intelligence Scale—Revised intelligence score; PW = picture-word.