Table 5.
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).