1. Brown, P. R., and Bishop, G. F. “Who Refuses and Resists in Telephone Surveys? Some New Evidence.” Paper presented at the annual conference of the Midwest Association for Public Opinion Research, Chicago, November 1982.
2. Characteristics of Respondents and Nonrespondents to a Questionnaire for Estimating Community Mood;Comstock;American Journal of Epidemiology,1973
3. Couper, M. P. “The Impact of Survey Introductions on Data Quality.” Paper presented at the International Conference on Survey Measurement and Process Quality, Bristol, England, April 1995.