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http://dx.doi.org/10.5351/KJAS.2015.28.1.075

Confidence Interval for Sensitive Binomial Attribute : Direct Question Method and Indirect Question Method  

Ryu, Jea-Bok (Department of Statistics, College of Science & Engineering, Cheongju University)
Publication Information
The Korean Journal of Applied Statistics / v.28, no.1, 2015 , pp. 75-82 More about this Journal
Abstract
We discuss confidence intervals for sensitive binomial attributes obtained by a direct question method and indirect question method. The Randomized Response Technique(RRT) by Warner (1965) is an indirect question method that uses a randomization device to reduce the response burden of respondents. We used the mean coverage probability (MCP), root mean squared error (RMSE), and mean expected width (MEW) to compare the confidence intervals by the two methods. The numerical comparisons indicated found that the MEW of RRT is too large and the RRT is so conservative that the MCP exceeds a nominal level(${\alpha}$); therefore, it is necessary to complement these problem in order to increase the utility of the indirect question method.
Keywords
Sensitive binomial attribute; confidence interval; direct question method; indirect question method;
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Times Cited By KSCI : 3  (Citation Analysis)
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