. Author manuscript; available in PMC: 2010 Apr 5.

Published in final edited form as: Behav Modif. 2009 May 12;33(4):452–473. doi: 10.1177/0145445509336431

Table 4.

Group Differences Between Parents of Social Anhedonics and Parents of Controls on the IM-SS-R

	Social Anhedonic Proband M(SD)	Control Proband M(SD)
Mothers (N = 79)
IM-SS-R Schizoidia scale	1.50 (1.77)	1.30 (1.91)
IM-SS-R Schizotypy scale	0.61 (0.78)	0.27 (0.67)^*
Fathers (N = 44)
IM-SS-R Schizoidia scale	2.13 (3.04)	0.88 (1.44)
IM-SS-R Schizotypy scale	0.65 (0.87)	0.38 (0.79)

Note: IM-SS-R = Interpersonal Measure of Schizoidia and Schizotypy, Revised; raw data means and standard deviations are presented.

p < .05 (two-tailed).