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Analysis of the Validity of the Vignette Approach to Correct for Heterogeneity in Reporting Health System Responsiveness

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  • Nigel Rice
  • Silvana Robone
  • Peter Smith

Abstract

Despite the growing popularity of the vignette methodology to deal with self-reported, categorical data, the formal evaluation of the validity of this methodology is still a topic of research. Some critical assumptions need to hold in order for this method to be valid. In this paper we analyse the assumption of “vignette equivalence” using data on health system responsiveness contained within the World Health Survey. We perform several tests to check the assumption of vignette equivalence. First, we use a test based on the global ordering of the vignettes. A minimal condition for the assumption of vignette equivalence to hold is that individual responses are consistent with the global ordering of vignettes. Secondly, using the HOPIT model on the pool of countries, we undertake sensitivity analyses, stratifying countries according to the Inglehart-Welzel scale and the Human Development Index. The results of this analysis are robust, suggesting that the vignette equivalence assumption is not contradicted. Thirdly, we model the reporting behaviour of the respondents through a two-step regression procedure to evaluate whether the vignettes construct is perceived by respondents in different ways. Overall, across the analyses the results do not contradict the assumption of vignette equivalence and accordingly lend support to the use of the vignette methodology when analysing self-reported data and health system responsiveness.

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Bibliographic Info

Paper provided by HEDG, c/o Department of Economics, University of York in its series Health, Econometrics and Data Group (HEDG) Working Papers with number 09/28.

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Date of creation: Aug 2009
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Handle: RePEc:yor:hectdg:09/28

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Postal: HEDG/HERC, Department of Economics and Related Studies, University of York, York, YO10 5DD, United Kingdom
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Web page: http://www.york.ac.uk/economics/postgrad/herc/hedg/
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Keywords: Health system responsiveness; Anchoring vignettes; Vignette Equivalence;

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References

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  1. van Soest, Arthur & Delaney, Liam & Harmon, Colm P. & Kapteyn, Arie & Smith, James P., 2007. "Validating the Use of Vignettes for Subjective Threshold Scales," IZA Discussion Papers 2860, Institute for the Study of Labor (IZA).
  2. Rice, N & Robone, S & Smith, P.C, 2008. "International Comparison of Public Sector Performance: The Use of Anchoring Vignettes to adjust Self-Reported Data," Health, Econometrics and Data Group (HEDG) Working Papers 08/28, HEDG, c/o Department of Economics, University of York.
  3. Bago d'Uva T & Lindeboom M & O'Donnell O & van Doorslaer E, 2009. "Slipping Anchor? Testing the Vignettes Approach to Identification and Correction of Reporting Heterogeneity," Health, Econometrics and Data Group (HEDG) Working Papers 09/30, HEDG, c/o Department of Economics, University of York.
  4. Nigel Rice & Silvana Robone & Peter Smith, 2009. "Analysis of the Validity of the Vignette Approach to Correct for Heterogeneity in Reporting Health System Responsiveness," Health, Econometrics and Data Group (HEDG) Working Papers 09/28, HEDG, c/o Department of Economics, University of York.
  5. Teresa Bago d’Uva & Eddy Van Doorslaer & Maarten Lindeboom & Owen O’Donnell & Somnath Chatterji, 2006. "Does reporting heterogeneity bias the measurement of health disparities?," Health, Econometrics and Data Group (HEDG) Working Papers 06/03, HEDG, c/o Department of Economics, University of York.
  6. Kristensen, Nicolai & Johansson, Edvard, 2008. "New evidence on cross-country differences in job satisfaction using anchoring vignettes," Labour Economics, Elsevier, vol. 15(1), pages 96-117, February.
  7. Datta Gupta, Nabanita & Kristensen, Nicolai & Pozzoli, Dario, 2009. "External Validation of the Use of Vignettes in Cross-Country Health Studies," IZA Discussion Papers 3989, Institute for the Study of Labor (IZA).
  8. Nicolas Sirven & Brigitte Santos-Eggimann & Jacques Spagnoli, 2008. "Comparability of Health Care Responsiveness in Europe using anchoring vignettes from SHARE," Working Papers DT15, IRDES institut for research and information in health economics, revised Sep 2008.
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Cited by:
  1. Viola Angelini & Danilo CAVAPOZZI & Luca CORAZZINI & Omar PACCAGNELLA, 2009. "Do Danes and Italians Rate Life Satisfaction in the Same Way? Using Vignettes to Correct for Individual-Specific Scale Biases," "Marco Fanno" Working Papers 0090, Dipartimento di Scienze Economiche "Marco Fanno".
  2. Nigel Rice & Silvana Robone & Peter Smith, 2009. "Analysis of the Validity of the Vignette Approach to Correct for Heterogeneity in Reporting Health System Responsiveness," Health, Econometrics and Data Group (HEDG) Working Papers 09/28, HEDG, c/o Department of Economics, University of York.
  3. Carmelo León & Jorge Araña & Javier León, 2013. "Correcting for Scale Perception Bias in Measuring Corruption: an Application to Chile and Spain," Social Indicators Research, Springer, vol. 114(3), pages 977-995, December.
  4. Arie Kapteyn & James P. Smith & Arthur van Soest, 2011. "Are Americans Really Less Happy With Their Incomes?," Working Papers 858, RAND Corporation Publications Department.
  5. Omar Paccagnella, 2011. "Anchoring vignettes with sample selection due to non‐response," Journal of the Royal Statistical Society Series A, Royal Statistical Society, vol. 174(3), pages 665-687, 07.
  6. Andrew M. Jones; Nigel Rice, Silvana Robone; & Nigel Rice; & Silvana Robone:, 2012. "A comparison of parametric and non-parametric adjustments using vignettes for self-reported data," Health, Econometrics and Data Group (HEDG) Working Papers 12/10, HEDG, c/o Department of Economics, University of York.

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