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. 2018 Jan 26;9:35. doi: 10.3389/fpsyg.2018.00035

Table 5.

Probabilistic reasoning performance as a function of class membership.

Probabilistic reasoning type Comparisons
Perception of randomness (PR) Paranormal perception of randomness (PPR) Conjunction fallacy (CF) Paranormal conjunction fallacy (PCF) PR vs. PPR CF vs. PCF
Class membership M SD Prop. correct (%) M SD Prop. correct (%) M SD Prop. correct (%) M SD Prop. correct (%) t (df) Sig. t (df) Sig.
Class 1 3.96 0.96 79 4.73 0.81 95 2.08 1.43 42 4.73 0.56 95 −11.69 (315) <0.001** −32.82 (315) <0.001**
Class 2 3.45 1.07 69 4.07 1.38 81 1.82 1.23 36 3.80 1.38 76 −4.64 (119) <0.001** −13.64 (119) <0.001**
Class 3 3.83 0.97 77 4.62 0.78 92 1.82 1.19 36 4.37 0.91 87 −12.25 (220) <0.001** −31.08 (220) <0.001**
Class 4 3.22 1.47 64 3.12 1.70 62 1.66 0.97 33 2.90 1.46 58 0.56 (67) 0.578 −6.99 (67) <0.001**
Overall (N = 725) 3.80 1.07 72 4.44 1.13 83 1.92 1.30 37 4.30 1.10 79

Class 1, Low schizotypy and low paranormal belief (n = 316); Class 2, Moderate schizotypy and moderate paranormal belief (n = 120); Class 3, Moderate schizotypy, high CD and low paranormal belief (n = 221); and Class 4, Moderate schizotypy and high paranormal belief (n = 68);

**

Indicates p < 0.006 (Bonferroni adjustment).