An alternative randomized response model using two decks of cards

ABDELFATAH, SALLY; Department Of Statistics - Faculty Of Economics And Political Science - Cairo University, MAZLOUM, REDA; Department Of Statistics - Faculty Of Economics And Political Science - Cairo University & SINGH, SARJINDER; Department Of Mathematics - Texas A&M University - Kingsville
In an attempt to obtain trustworthy answers from the respondents regarding a sensitive question in order to estimate the population proportion possessing that sensitive attribute, Odumade and Singh (2009) have suggested a randomized response model based on the use of two decks of cards. In this paper, a modification to the structure of the two decks of cards used by Odumade and Singh (2009) is proposed. The condition when the proposed model is more efficient...