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 intended to correct for some of these problems. The anchors package in R includes methods for evaluating and choosing anchoring vignettes, and for analyzing the resulting data.

%B Journal of Statistical Software %V 42 %P 1--25 %G eng %U http://www.jstatsoft.org/v42/i03/ %N 3