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Agrociencia
versión On-line ISSN 2521-9766versión impresa ISSN 1405-3195
Resumen
SOBERANIS-CRUZ, Víctor; RAMIREZ-VALVERDE, Gustavo; PEREZ-ELIZALDE, Sergio y GONZALEZ-COSSIO, Félix. Randomized response sampling in finite populations: a unifying approach. Agrociencia [online]. 2008, vol.42, n.5, pp.537-549. ISSN 2521-9766.
The randomized response technique (RR), introduced by Warner (1965) was designed to avoid non-answers to questions about sensitive issues and protect the privacy of the interviewee. In this paper, a new approach is proposed using information contained in the correlation between the variable of interest and an innocuous variable W; this approach is called here, the C model. Likewise it is proposed, under a finite populations sampling scheme, and in the framework theory of π estimators (Särndal et al., 1992; Cassel et al., 1977) the unification of several of the RR models in a more general one (G model). Furthermore, the variances of the different models are obtained and, under certain restrictions, the C model estimator is more efficient.
Palabras llave : π-estimators; sensitive question; randomized response; Warner's technique.