Part 1 of Essay
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 ....

Part 2 of Essay
.... further showed that this overpricing is largely due to a phenomena known as scale compatibility, which involves certain biases when the response required by the subject is in the same units as the factors influencing the decision. Since the payoffs of the bets and the buy-out prices assigned to them are both monetary values, this leads people to give greater weight to the payoff value of the bets when asked to price them (a situation of compatibility) than when asked to choose between them (a situation of non- ....