1. “The Effect of Prior Notification on the Refusal Rate in Fixed Address Surveys.”;Brunner;Journal of Advertising Research,1969
2. “Risk of Disclosure, Perceptions of Risk, and Concerns about Privacy and Confidentiality as Factors in Survey Participation.”;Couper;Journal of Official Statistics,2008
3. “Experimental Studies of Disclosure Risk, Disclosure Harm, Topic Sensitivity, and Survey Participation.”;Journal of Official Statistics,2010
4. Czaja Ronald Blair Johnny . 2005. Designing Surveys: A Guide to Decisions and Procedures. Thousand Oaks, CA: Sage.
5. The Influence of Advance Letters on Response in Telephone Surveys: A Meta-Analysis