Table 2 Unadjusted instrumental responding and ratings
|  | HC | OB | OBED | F/Welch | p | ηp2 |
|---|---|---|---|---|---|---|
M(SD) | M(SD) | M(SD) | ||||
|  | n = 43 | n = 25 | n = 19 |  |  |  |
High contingency presses | 153.00 (52.35) | 146.37 (60.13) | 115.04 (68.30) | 2.86 | .063 | 0.06 |
Low contingency presses | 81.86 (34.88) | 72.65 (41.37) | 71.72 (35.49) | 0.74 | .481 | 0.02 |
CSI | 0.65 (0.12) | 0.67 (0.11) | 0.59 (0.14) | 2.64 | .078 | 0.06 |
High contingency rating | 5.38 (0.74) | 5.44 (0.74) | 5.48 (0.69) | 0.11 | .893 | 0.00 |
Low contingency rating | 2.95 (0.87) | 2.81 (0.96) | 2.97 (0.70) | 0.28 | .760 | 0.01 |
|  | n = 43 | n = 24 | n = 19 |  |  |  |
Nondevalued presses (training) | 108.77 (53.13) | 102.71 (55.78) | 101.47 (45.16) | 0.18 | .840 | 0.00 |
Devalued presses (training) | 105.42 (51.33) | 101.13 (52.05) | 91.95 (43.99) | 0.48 | .622 | 0.01 |
Nondevalued presses (extinction) | 200.09 (95.82) | 180.92 (86.37) | 158.53 (90.85) | 1.38 | .257 | 0.03 |
Devalued presses (extinction) | 85.26 (81.98) | 90.33 (75.97) | 62.74 (64.44) | 0.78 | .463 | 0.02 |
Nondevalued presses (reacquisition) | 202.09 (98.26) | 186.96 (95.66) | 155.79 (96.87) | 1.50 | .230 | 0.04 |
Devalued presses (reacquisition) | 82.37 (99.61) | 70.79 (84.54) | 47.63 (62.26) | 1.43 | .250 | 0.02 |
DSI (training) | 0.51 (0.22) | 0.50 (0.24) | 0.52 (0.21) | 0.05 | .955 | 0.00 |
DSI (extinction) | 0.70 (0.27) | 0.67 (0.23) | 0.73 (0.24) | 0.28 | .760 | 0.01 |
DSI (reacquisition) | 0.73 (0.31) | 0.73 (0.26) | 0.77 (0.29) | 0.13 | .880 | 0.00 |
T2-T1 Nondevalued outcome pleasantness rating | 0.17 (1.00) | 0.06 (1.05) | 0.16 (1.01) | 1.00 | .907 | 0.00 |
T2-T1 Devalued outcome pleasantness rating | −0.98 (1.88) | −1.04 (1.60) | −1.95 (2.01) | 1.97 | .146 | 0.05 |