An improved two stage randomized response strategy |
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Authors: | R. Singh S. Singh N. S. Mangat D. S. Tracy |
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Affiliation: | 1. Department of Mathematics & Statistics, Punjab Agricultural University, 141 004, Ludhiana, India 2. Department of Plant Breeding, Punjab Agricultural University, 141 004, Ludhiana, India 3. Department of Mathematics & Statistics, University of Windsor, N9B3P4, Ontario, Canada
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Abstract: | Mangat and Singh (1990) have suggested a two stage randomized response technique to estimate the proportion of population possessing a sensitive attribute. The procedure was shown to be more efficient than the procedure due to Warner (1965). Recently, Tracy and Osahan (1993) have suggested a modification to the Mangat and Singh (1990) procedure which results in a more efficient strategy in practice. In this paper we propose a modification to the Tracy and Osahan (1993) procedure. The modified procedure is a generalization of Tracy and Osahan (1993) and is always more efficient than their strategy. An empirical study has also been undertaken to find the extent of relative efficiency. |
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