When respondents use the ordinal response categories of standard survey questions in different ways, the validity of analyses based on the resulting data can be biased. Anchoring vignettes is a survey design technique, introduced by King et al. (2004, Enhancing the validity and cross-cultural comparability of measurement in survey research. American Political Science Review 94 [February]: 191-205), intended to correct for some of these problems. We develop new methods both for evaluating and choosing anchoring vignettes and for analyzing the resulting data. With surveys on a diverse range of topics in a range of countries, we illustrate how our proposed methods can improve the ability of anchoring vignettes to extract information from survey data, as well as saving in survey administration costs.
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