Anchors: Software for Anchoring Vignette Data

Jonathan Wand and Gary King and Olivia Lau
Journal of Statistical Software. 42(3):1–25.
[ PDF ] [ Software/code ]

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.