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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Behav Processes. 2014 Aug 17;107:99–105. doi: 10.1016/j.beproc.2014.07.021

Table 1.

Immediate (I) and Delayed (D) Reward Amounts and Their Ratio (I/D), Delay to the Larger Reward (in days), and Values of k for the Small Delayed Rewards Questions.

I($) D($) Ratio Delay k
34 35 .97 186 0.00016
28 30 .93 179 0.00040
22 25 .88 136 0.0010
25 30 .83 80 0.0025
19 25 .76 53 0.0060
24 35 .69 29 0.016
14 25 .56 19 0.041
15 35 .43 13 0.10
11 30 .37 7 0.25