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. Author manuscript; available in PMC: 2009 Nov 10.
Published in final edited form as: J Pers Assess. 2009 Jan;91(1):62–71. doi: 10.1080/00223890802484381

Table 3.

Means and standard deviations of self-report and behavioral measures for all studies

Study 1 Study 2 Study 3
Measure Mean SD Mean SD Mean SD
Toronto Empathy Questionnaire 44.54 7.70 47.27 7.48 46.95 7.47
Interpersonal Responsivity Index
 Empathic Concern 3.81 0.63 3.89 0.70
 Personal Distress 2.62 0.77 2.65 0.67
 Perspective Taking 3.48 0.71 3.45 0.69
 Fantasy 3.49 0.82 3.69 0.87
Autism Quotient 18.28 5.24 17.94 4.42
Reading the Mind in the Eyes Task 27.24 3.20
Interpersonal Perception Task 9.81 1.72
Empathy Quotient 40.69 10.36

All means and standard deviations are within the normal ranges of healthy adults previously reported (c.f. Davis, 1980; Baron-Cohen, Wheelwright, Hill et al., 2001; Baron-Cohen, Wheelwright, Skinner et al., 2001; Costanzo & Archer, 1994; Baron-Cohen and Wheelwright, 2004). IRI subscale means are reported as the mean Likert (1-5) score.