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Accounting for self-protective responses in randomized response data from a social security survey using the zero-inflated Poisson model

Cruyff, Maarten J. L. F., Böckenholt, Ulf, van den Hout, Ardo and van der Heijden, Peter G.M. (2008) Accounting for self-protective responses in randomized response data from a social security survey using the zero-inflated Poisson model The Annals of Applied Statistics, 2, (1), pp. 316-331. (doi:10.1214/07-AOAS135).

Record type: Article

Abstract

In 2004 the Dutch Department of Social Affairs conducted a survey to assess the extent of noncompliance with social security regulations. The survey was conducted among 870 recipients of social security benefits and included a series of sensitive questions about regulatory noncompliance. Due to the sensitive nature of the questions the randomized response design was used. Although randomized response protects the privacy of the respondent, it is unlikely that all respondents followed the design. In this paper we introduce a model that allows for respondents displaying self-protective response behavior by consistently giving the nonincriminating response, irrespective of the outcome of the randomizing device. The dependent variable denoting the total number of incriminating responses is assumed to be generated by the application of randomized response to a latent Poisson variable denoting the true number of rule violations. Since self-protective responses result in an excess of observed zeros in relation to the Poisson randomized response distribution, these are modeled as observed zero-inflation. The model includes predictors of the Poisson parameters, as well as predictors of the probability of self-protective response behavior.

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More information

Published date: 2008
Keywords: randomized response, poisson regression, zero-inflation, self-protective responses, regulatory noncompliance
Organisations: Statistical Sciences Research Institute

Identifiers

Local EPrints ID: 344678
URI: http://eprints.soton.ac.uk/id/eprint/344678
ISSN: 1932-6157
PURE UUID: 5c1ba654-c281-4f81-9b5d-3c4067a0106c

Catalogue record

Date deposited: 26 Oct 2012 14:02
Last modified: 18 Jul 2017 05:14

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Contributors

Author: Maarten J. L. F. Cruyff
Author: Ulf Böckenholt
Author: Ardo van den Hout

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