Discounting of food, sex, and money.

Discounting is a useful framework for understanding choice involving a range of delayed and probabilistic outcomes (e.g., money, food, drugs), but relatively few studies have examined how people discount other commodities (e.

A comparison of the effects of brief rules, a timer, and preferred toys on self-control.

Some children make impulsive choices (i.e., choose a small but immediate reinforcer over a large but delayed reinforcer).