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Revista Varianza
versão impressa ISSN 9876-6789
Resumo
VALDEZ BLANCO, Dindo. Modelo de respuesta aleatorizada de Warner para incrementar la probabilidad de obtener respuestas sinceras a preguntas sensibles. Revista Varianza [online]. 2020, n.17, pp. 42-50. ISSN 9876-6789.
Abstract In this research, the randomized response model proposed by Warner (Warner, 1965) is studied with the purpose of reducing the response bias when sensitive and / or delicate questions are asked, the application is carried out in the Faculty of Pure and Natural Sciences of the Universidad Mayor de San Andrés. For the application, sensitive or delicate questions are considered, such as behavior to cheat in exams and drug use, applying the Warner randomized question method and the direct question method. Essentially the Warner method involves a randomization technique in such a way that the interviewee must answer sensitive questions according to the result of the method, such procedures can be: coin games, deck of rotating roulette cards, among others. The randomization technique allows to calculate the estimator of the proportion indirectly, giving the interviewee anonymity and allowing a sincere answer. Therefore, a probabilistic relationship is established between a given answer and the sensitive question. Finally, a comparison is made between the direct question method that establishes the usual estimators for the proportion of successes and Warner's randomized response method, determining that Warner's method is effective.
Palavras-chave : Sensitive question; randomized response model; response bias; sample surveys.