$4 (Discounted-price) | $8 (Full-price) | F-Statistics | |||||||
---|---|---|---|---|---|---|---|---|---|
One piece (n = 18) | Two pieces (n = 18) | Three pieces (n = 7) | One piece (n = 17) | Two pieces (n = 19) | Three pieces (n = 10) | Effect of price | Effect of pieces | Effect of price x pieces | |
I ate more pizza than I should have | 2.63 (2.06) | 4.82 (2.55) | 6.00 (2.00) | 1.76 (1.82) | 3.53 (2.39) | 4.40 (3.24) | 5.37* | 10.77** | 0.15 |
I feel guilty about how much I ate | 2.39 (1.94) | 3.44 (2.47) | 3.71 (1.49) | 2.26 (1.79) | 1.68 (1.42) | 2.90 (2.08) | 4.28* | 1.49 | 1.67 |
I am physically uncomfortable | 2.17 (1.88) | 2.94 (2.12) | 2.43 (1.51) | 1.97 (1.68) | 1.45 (0.94) | 2.25 (1.81) | 4.19* | 0.25 | 1.15 |
I overate | 2.11 (1.81) | 3.89 (2.59) | 3.71 (1.79) | 1.67 (1.28) | 1.67 (1.24) | 3.50 (2.74) | 5.02* | 4.09* | 2.27 |
I ate more than I should have | 2.50 (2.20) | 4.28 (2.44) | 4.57 (2.22) | 2.00 (1.45) | 2.14 (1.77) | 3.92 (2.81) | 6.20* | 5.00* | 1.14 |