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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Psychol Assess. 2014 Apr 7;26(3):901–915. doi: 10.1037/a0036432

Table 2.

Psychometric Schizotypy between Group Comparisons of Interview-Rated Symptoms

Positive Group
Mean (SD)
Negative Group
Mean (SD)
Control Group
Mean (SD)
F-Score
df (2, 161)
Effect Size
(η2)
Global Positive Rating 9.93 (5.27)a 5.31(4.53)b 2.06 (3.18)c 39.90* 0.34
 Delusional Ideation 2.81 (1.55)a 1.27 (1.47)b 0.55 (1.06)c 35.35* 0.32
 Paranoia 2.07 (1.13)a 1.56 (1.18)b 0.51 (0.86)c 26.88* 0.26
 Grandiosity 1.81 (1.74)a 0.68 (1.23)b 0.32 (0.63)b 18.82* 0.20
 Perceptual Anomalies 1.96 (1.52)a 0.97 (1.34)b 0.40 (0.90)b 18.96* 0.19
 Disorganized Communication 1.26 (1.23)a 0.92 (1.14)a 0.30 (0.62)b 10.70* 0.12
Global Negative Rating 3.61 (3.71)a 5.73 (4.19)b 0.90 (1.90)c 25.41* 0.24
 Social Anhedonia 0.50 (0.91)a 2.00 (1.61)b 0.06 (0.25)a 45.77* 0.36
 Avolition 0.86 (1.00)a 0.76 (0.96)a 0.23 (0.63)b 6.95* 0.07
 Expression of Emotion 0.67 (0.97)a 1.24 (1.22)b 0.26 (0.61)c 13.47* 0.14
 Experience of Emotion and Self 0.70 (1.18)a 1.03 (1.35)a 0.06 (0.32)b 10.80* 0.12
 Ideational Richness 0.35 (0.73)a 0.31 (0.76)a 0.15 (0.62)a 1.11 0.01
 Occupational Functioning 0.53 (0.95)a 0.33 (0.92)ab 0.13 (0.34)b 3.24* 0.03
Global Disorganized Rating 3.13(2.82)a 2.05 (2.30)b 0.55 (0.93)c 17.13* 0.17
 Odd Behavior 0.69 (1.00)a 0.49 (0.93)a 0.04 (0.20)b 8.11* 0.09
 Bizarre Thinking 0.91 (1.26)a 0.44 (0.80)b 0.06 (0.32)c 11.29* 0.13
 Focus/Attention 1.37 (0.96)a 0.89 (0.86)b 0.43 (0.66)c 15.85* 0.16
 Personal Hygiene 0.17 (0.54)a 0.22 (0.61)b 0.02 (0.15)a 2.29 0.03

Means that share a superscript letter do not significantly differ from each other at p < .05. Positive Group = participants meeting criteria for high psychometric positive schizotypy. Negative Group = participants meeting criteria for high negative schizotypy. Control Group = participants meeting criteria for the psychometric control group.

*

p < .05