@inbook{Schaeffer1991,
author = {Schaeffer, N.C.},
title= {Conversation with a Purpose-or Conversation? Interaction in the Standardized Interview},
year = {1991},
editor = {Biemer, P.},
editor = {Groves, R.M.},
editor = {Lyberg, L.},
editor = {Mathiowetz, N.},
editor = {Sudman, S.},
booktitle = {Measurement Error in Surveys},
address = {New York},
publisher = {John Wiley and Sons},
pages = {367--391},
}