The RR technique or the Randomized Response can be used to help ensure that individuals answer sensitive or self-incriminating questions honestly. It is developed by Warner (1965), which aims to eliminate or at least minimize non-response and dishonest answering by survey respondents. This is accomplished by separating the response from the respondent by introducing a controlled measure of chance or uncertainty, which amounts to randomization of the answering process. This protects the identity of the respondents, at the cost of introducing a degree of uncertainty into the responses.
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