Information integration in risky decision making was studied by using a functional measurement approach. Participants (N=84) played a computerized risky card game incorporating a within-subject design with the 3 factors (a) probability of negative or positive outcome, (b) amount of gain, and (c)...

Virtually all current theories of choice under risk or uncertainty are cognitive and consequentialist. They assume that people assess the desirability and likelihood of possible outcomes of choice alternatives and integrate this information through some type of expectation-based calculus to...