Rijn, J. van

utility probability weighting probability weighting health function decision utility curvature utility theory coefficient value profile utility function gamble theory state health utility measurement model correlation preference subject curvature rank correlation coefficient measurement individual-specific differences result difference outcome method qaly model bleichrodt rank correlation coefficients validity journal van rijn probability weighting function kahneman utility model individual-specific quality spearman health state utilities qaly-based decision tversky choice weight consistency procedure gamble measurement health profiles range health states johannesson indifference qaly uc +pw qaly-based table life-year research health state study family analysis wakker miyamoto weighting function management science log âpower family power distribution context experiment increase treatment paper indifference probabilities science power coefficient reason level