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Sample size and utility-difference precision in discrete-choice experiments: A meta-simulation approach

Jui-Chen Yang, F. Reed Johnson, Vikram Kilambi and Ateesha F. Mohamed

Journal of choice modelling, 2015, vol. 16, issue C, pages 50-57

Abstract: •A meta-simulation strategy analyzes what affects utility-difference precision.•Meta-data are obtained from 34 individual DCE patient-preference data sets.•Utility-difference precision is regressed on sample size and study characteristics.•Study-design features affect precision more than experimental-design efficiency.•An empirical sample-size power equation is derived for DCE health studies.

Date: 2015
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