Estimation of sensitive attributes using a stratified kuk randomization device

Lee Gi-Sung, Hong Ki-Hak, Kim Jong-Min, Son Chang-Kyoon

Research output: Contribution to journalArticlepeer-review


This paper suggests a stratified Kuk model to estimate the proportion of sensitive attributes of a population composed by a number of strata; this is undertaken by applying stratified sampling to the adjusted Kuk model. The paper estimates sensitive parameters when the size of the stratum is known by taking proportional and optimal allocation methods into account and then extends to the case of an unknown stratum size, estimating sensitive parameters by applying stratified double sampling and checking the two allocation methods. Finally, the paper compares the efficiency of the proposed model to that of the Su, Sedory and Singh model and the adjusted Kuk model in terms of the estimator variance.

Original languageEnglish (US)
Pages (from-to)29-44
Number of pages16
JournalRevista Colombiana de Estadistica
Issue number1
StatePublished - 2017

Bibliographical note

Publisher Copyright:
© 2017, Universidad Nacional de Colombia. All rights reserved.


  • Adjusted kuk model
  • Randomized response model
  • Sensitive attribute
  • Stratified double sampling
  • Stratified sampling


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