Bayesian analysis of optional unrelated question randomized response models

Ghulam Narjis and Javid Shabbir

Communications in Statistics - Theory and Methods, 2021, vol. 50, issue 18, 4203-4215

Abstract: The randomized response technique (RRT) is an effective method designed to obtain the sensitive information from respondents while assuring the privacy. Narjis and Shabbir [Narjis, G., and J. Shabbir. 2018. Estimation of population proportion and sensitivity level using optional unrelated question randomized response techniques. Communications in Statistics – Simulation and Computation 0 (0):1–15] proposed three binary optional unrelated question RRT models for estimating the proportion of population that possess a sensitive characteristic (π) and the sensitivity level (ω) of the question. In this study, we have developed the Bayes estimators of two parameters (π,ω) for optional unrelated question RRT model along with their corresponding minimal Bayes posterior expected losses (BPEL) under squared error loss function (SELF) using beta prior. Relative losses, mean squared error (MSE) and absolute bias are also examined to compare the performances of the Bayes estimates with those of the classical estimates obtained by Narjis and Shabbir (2018). A real survey data are provided for practical utilizations.

Date: 2021
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DOI: 10.1080/03610926.2020.1713367

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