Chapter 4 – Experimental learning 127 Table 1. Group means and standard deviations, as well as betweengroups P values. 1 PRF - CC 2 PRF - Extinction 3 CRF - CC 4 CRF - Extinction 5 Sham All groups P value Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD STAI Trait 40.2 8.0 37.2 5.7 37.6 8.1 36.8 7.4 38.8 6.6 38.1 7.2 0.45 STAI State pre 50.8 24.4 52.7 23.1 48.6 25.1 44.3 18.6 44.2 16.6 48.1 21.7 0.56 PCS 13.6 8.1 12.9 6.6 11.9 5.4 13.8 6.8 13.4 8.0 13.1 7.0 0.90 LOT-R optimis m 16.9 3.3 14.8 3.5 17.2 2.6 16.1 2.9 15.1 3.4 16.0 3.3 0.33 Tirednes s (NRS) 3.4 2.0 2.9 2.1 3.4 2.3 3.9 2.5 3.3 2.3 3.4 2.3 0.60 Low °C 45.0 0.8 45.1 1.1 45.5 1.1 45.0 0.9 45.0 0.5 45.1 0.9 0.31 Moderat e °C 46.8 0.7 47.0 0.8 47.0 0.8 46.7 1.1 46.9 0.7 46.9 0.8 0.61 High °C 48.4 0.5 48.6 0.7 48.8 0.6 48.5 0.8 48.5 0.5 48.6 0.6 0.31 Nocebo trials NRS ^ 6.6 1.7 6.2 1.7 7.3 1.5 6.6 1.6 5.8 1.6 6.5 1.7 0.03 Control trials NRS 4.6 1.8 4.4 1.8 4.8 1.6 3.7 1.5 5.7 1.7 4.6 1.8 0.002 * Nocebo trials NRS 3.2 2.0 4.4 2.0 2.6 1.4 3.8 2.0 4.0 2.1 3.6 2.0 0.01* * Control trials NRS ^ 4.5 2.0 3.9 2.1 4.1 1.7 3.2 2.0 3.9 1.9 3.9 2.0 0.31 STAI State post 32.3 8.7 29.8 7.5 31.6 10.6 31.3 8.3 31.1 5.8 31.2 8.2 0.87 Trust in researche r (NRS) 8.5 2.1 8.6 1.7 8.7 1.8 8.6 1.7 9.3 0.9 8.7 1.7 0.49 Honesty researche r (NRS) 7.4 2.3 7.6 2.2 7.5 2.2 6.7 2.3 7.2 2.6 7.3 2.3 0.65 Pain expect. Indu. 6.4 1.8 6.0 1.7 6.4 1.7 6.5 1.7 5.2 1.9 6.1 1.8 0.06 Pain expect. Atten. 4.4 1.9 4.9 2.1 3.6 2.2 4.3 1.9 4.1 1.8 4.2 2.0 0.22 Note: Alpha set at 0.01. The NRS was always 0-10. ^ Excluding 1 trial from each phase immediately after thermode was moved (trial 21 of each phase).
RkJQdWJsaXNoZXIy MTk4NDMw