Random Response Techniques for Reducing Non-sampling error in Interview Survey Research.
For “sensitive-area” questions in interviewing, random response techniques can be useful in establishing the types of questions to be asked and the methods by which the respondent can confidentially provide answers. This paper discusses three randomized response techniques (the dichotomized question, the unrelated question, and the single question/random answer), the simple probability theory that makes the techniques work, and some questions about the practical application of these techniques by the educator.