• Article  

      Randomized response in stratified sampling 

      Christofides, Tasos C. (2005)
      This paper extends the randomized response model presented in Christofides (Metrika 57 (2003)195) to the case of stratified sampling. A comparison between the application of the technique in stratified and simple random ...
    • Article  

      Randomized response technique for two sensitive characteristics at the same time 

      Christofides, Tasos C. (2005)
      In this paper we present a randomized response technique which can be used to estimate the proportion of individuals having two sensitive characteristics at the same time. The information obtained from this procedure can ...