@article{JSSv042i03, title={anchors: Software for Anchoring Vignette Data}, volume={42}, url={https://www.jstatsoft.org/index.php/jss/article/view/v042i03}, doi={10.18637/jss.v042.i03}, abstract={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 <b>anchors</b> package in R includes methods for evaluating and choosing anchoring vignettes, and for analyzing the resulting data.}, number={3}, journal={Journal of Statistical Software}, author={Wand, Jonathan and King, Gary and Lau, Olivia}, year={2011}, pages={1–25} }