Comparative Politics Workshop with Jens Hainmueller

DateOctober 13, 2014

Time12:30pm to 2:00pm

Location
4357 Bunche Hall

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Title: “Do Survey Experiments Capture Real-World Behavior? External Validation of Conjoint and Vignette Analyses with a Natural Experiment”Presenter: Jens HainmuellerAbstract: Survey experiments like vignette and conjoint analyses are widely used in the social sciences to elicit stated preferences and study how humans make multidimensional choices. Yet, there is a paucity of research on the external validity of these methods that examines whether the determinants that explain hypothetical choices made by survey respondents match the determinants that explain what subjects actually do when making similar choices in real-world situations. This study compares the results from conjoint and vignette analyses on which immigrant attributes generate support for naturalization to closely corresponding behavioral data from a natural experiment in Switzerland, where some municipalities used referendums to decide on the citizenship applications of foreign residents. Using a representative sample from the same population and the official descriptions of applicant characteristics that voters received before each referendum as a behavioral benchmark, we find that the effects of the applicant attributes estimated from the survey experiments perform remarkably well in recovering the effects of the same attributes in the behavioral benchmark. We also find important differences in the relative performances of the different designs. Overall, the paired conjoint design where respondents evaluate two immigrants side-by-side comes closest to the behavioral benchmark; on average its estimates are within 2 percentage points of the effects in the behavioral benchmark.Paper: Click here to download.Click here to download the Supporting Info.

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