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Table 2 Unadjusted instrumental responding and ratings

From: Relating goal-directed behaviour to grazing in persons with obesity with and without eating disorder features

  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