1. Refusals: who, where and why?;DeMaio;Public Opinion Q,1980
2. Understanding the decision to participate in a survey;Groves;Public Opinion Q,1992
3. Nonresponse in household interview surveys;Groves,1998
4. The influence of interviewer’s attitude and behavior on household survey nonresponse: an international comparison;Hox,2002
5. The role of the interviewer in survey participation;Couper;Survey Methodol,1992