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Table 3 Probability and confidence: Mean probability and confidence assessments (plus standard deviations) for the simple vignettes, per scale type

From: Medicine in words and numbers: a cross-sectional survey comparing probability assessment scales

  probability Confidence
Vignette verbal double numerical verbal double numerical
4 69 (16.7) 65 (20.0) 74 (18.3) 82 (12.2) 83 (12.5) 81 (17.2)
5 40 (22.5) 47 (22.3) 41 (23.2) 63 (22.9) 73 (21.5) 68 (21.1)
6 58 (27.2) 69 (22.3) 66 (18.2) 83 (11.5) 80 (14.9) 72 (21.0)
7 42 (21.6) 42 (17.4) 44 (21.5) 78 (13.4) 77 (17.2) 76 (18.7)
8 54 (22.1) 44 (22.0) 41 (21.4) 80 (16.9) 74 (24.1) 76 (18.1)
9 15 (7.0) 17 (10.5) 14 (12.2) 89 (5.8) 86 (14.2) 89 (7.5)
10 32 (19.6) 35 (19.0) 34 (20.4) 82 (14.8) 77 (14.6) 77 (16.0)
11 49 (19.3) 46 (21.0) 41 (20.8) 76 (18.5) 76 (15.4) 72 (19.4)
12 40 (17.5) 43 (21.5) 40 (21.8) 81 (12.9) 82 (15.0) 76 (15.4)
13 80 (24.2) 72 (23.9) 76 (24.8) 88 (14.2) 80 (24.4) 86 (14.4)
14 90 (16.9) 94 (7.2) 85 (22.4) 92 (10.7) 93 (9.4) 92 (8.0)
15 57 (33.1) 62 (28.7) 76 (18.9) 87 (12.1) 88 (12.5) 89 (11.6)