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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Behav Processes. 2009 Sep 18;83(1):36. doi: 10.1016/j.beproc.2009.09.003

Table 1.

Schematic of the discounting tasks used in the study.

Loss: At this moment, what would you prefer to pay? Gain: At this moment, what would you prefer?
Delay $10 Money now OR $10 in D days Money now OR $10 in D days
$100 Money now OR $100 in D days Money now OR $100 in D days
Probability $10 Money for sure OR $10 with a P% chance Money for sure OR $10 with a P% chance
$100 Money for sure OR $100 with a P% chance Money for sure OR $100 with a P% chance

Notes.

D values were: 0, 7, 30, 90, 180, 365 days.

P values were: 100, 90, 75, 50, 25, 10, i.e., probabilities of 1.0, 0.9, 0.75, 0.50, 0.25, 0.10. Amounts of Money now or Money for sure were: $0.00, $0.25, and $0.50 to $10.50 in $0.50 increments for $10 tasks, and 0.00, $2.50, and $5.00 to $105.00 in $5.00 increments for $100 tasks.