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. Author manuscript; available in PMC: 2013 Jul 10.
Published in final edited form as: Brain Stimul. 2009 Oct 31;3(3):170–176. doi: 10.1016/j.brs.2009.10.002

Table 1.

Example of trials in the two reward sizes with an associated discount rate (k) of 0.005

Choice option
Delay k Reward sizea
SIR LDR
44 55 1 y 0.005 Small
820 828 2 wk 0.005 Large

SIR, smaller-immediate reward; LDR, larger-delayed reward.

a

Categories of delayed reward size: small (1–500 CAD) and large (600–1000 CAD).