Subjects in gambling tasks that involve both choice and pricing show a pattern of responses known as preference reversal. That is, although subjects in a choice condition generally will give higher preference ratings to “safe”, high-probability/low-payoff, bets than to “longshot”, low-probability/high-payoff, bets, when they are asked in a pricing condition to generate an amount of money that they would accept to avoid the gamble altogether they tend to give higher values for longshots over safer bets. Tversky, Slo ....