Support for policies with experimental assignment of party labels.
Note: The figure shows the expected probability of a respondent choosing a policy bundle containing each position. Black points are estimated from the conjoint exercises with no party label. Blue points are estimated from a second set of conjoint exercises with party labels randomly added to the same policy bundle comparisons featured in the first set of exercises. The difference between the two questions, shown as triangles in the right panel, is the AMPLE. Intervals are 95% confidence intervals.