Lotteries and generation of payoffs. On each trial, participants received two lotteries, each comprising two point prizes depicted with numbers and vertical markings (yellow lines) on a vertical scale (blue column). The two lotteries had, respectively, low or high variance and different relative EV. To generate the payoff, the computer randomly drew one prize from each lottery and calculated the sum of the prizes. The precise prizes that were realized were kept secret (?) but participants requested to reveal the precise prize from one lottery. The sampling step was identical across all task blocks.
