“Interviewer” Effects in Face-to-Face Surveys: A Function of Sampling, Measurement Error, or Nonresponse?

West, Brady Thomas; Kreuter, Frauke; Jaenichen, Ursula. (2013). "Interviewer" Effects in Face-to-Face Surveys: A Function of Sampling, Measurement Error, or Nonresponse?. Journal of Official Statistics. 29(2), 277-297.