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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Pharmacol Biochem Behav. 2008 Jul 20;91(2):209–216. doi: 10.1016/j.pbb.2008.07.009

Absolute individual and group consumption levels during the first (1st) and second (2nd) determinations for Experiment 1 (cocaine) and Experiment 2 (food)

Cocaine
CD13 CD15 CD18 CD19 CD20 Average
Price 1st 2nd 1st 2nd 1st 2nd 1st 2nd 1st 2nd 1st 2nd
3 20.7 23.5 14.3 21.3 25.7 27.7 31.0 37.0 11.3 43.3 20.6 30.6
10 14.0 22.0 12.7 22.5 25.3 43.0 31.7 42.5 13.3 41.0 19.4 34.2
18 13.3 21.0 11.0 18.5 25.2 38.5 34.0 39.0 10.5 27.0 18.8 28.8
32 16.3 19.7 11.0 17.5 23.5 29.3 25.7 32.3 5.0 26.5 16.3 25.1
56 2.0 16.0 10.7 13.3 24.0 25.5 33.5 37.3 0.0 25.0 14.0 23.4
100 0.0 13.0 10.5 11.5 6.0 18.0 17.5 38.0 0.0 0.0 6.8 16.1
178 0.0 5.0 8.0 6.5 2.0 0.0 7.5 18.3 0.0 0.0 3.5 6.0
320 0.0 0.0 2.0 0.0 0.0 0.0 0.0 9.0 0.0 0.0 0.4 1.8
Food
CD27 CD23 CD24 CD25 CD26 Average
FR 1st 2nd 1st 2nd 1st 2nd 1st 2nd 1st 2nd 1st 2nd
3 146.7 171.7 172.0 179.7 197.3 198.7 159.3 155.0 148.0 190.7 164.7 179.1
10 135.0 137.0 196.0 183.3 175.3 195.3 144.7 168.7 139.7 197.0 158.1 176.3
18 127.7 132.7 189.0 171.7 193.7 187.7 156.3 158.7 101.0 139.7 153.5 158.1
32 95.3 149.5 159.3 186.5 176.3 172.3 166.0 152.0 79.3 83.7 135.3 148.8
56 59.7 59.7 116.0 139.0 141.0 139.0 150.3 170.0 51.0 65.0 103.6 114.5
100 28.3 42.0 56.0 79.3 86.0 88.0 119.3 136.3 33.0 40.3 64.5 77.2
178 19.0 26.0 27.5 41.0 47.5 45.5 74.5 102.5 21.0 25.5 37.9 48.1
320 6.0 9.5 11.0 14.0 24.5 10.0 43.5 57.5 7.0 11.5 18.4 20.5
560 0.0 0.5 4.0 5.0 10.5 9.5 24.0 28.0 1.0 1.5 7.9 8.9