Indirect questioning is a crucial topic in surveys of human populations. When the issue is about a stigmatizing characteristic (for example about illegal drug use), standard survey methodologies are destined to fail because, ...

In assessing the prevalence of a sensitive attribute like habitual heroin consumption in a community of people, indirect questioning is a necessity to extract truth on ensuring protection of privacy. The current literature ...

In estimating the proportion of people bearing a sensitive attribute A, say, in a given community, following Warner's (J Am Stat Assoc 60:63-69, 1965) pioneering work, certain randomized response (RR) techniques are available ...