Do closed survey questions over-estimate public perceptions of food risks?

Gaskell, G., Hohl, K. & Gerber, M. (2016). Do closed survey questions over-estimate public perceptions of food risks?. Journal of Risk Research, doi: 10.1080/13669877.2016.1147492

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Abstract

In this paper we show that the widely accepted methodology for the assessment of risk perception – Likert type survey questions featuring a set of risks with fixed response alternatives measuring the extent of worry or concern – may over-estimate food risk perception. Using a European representative sample survey (n=26,961) that included an open-ended question asking about problems and risks with food and eating, followed by a battery of closed questions assessing food risk perception we find a similar ranking of perceived food risks across the two methods. Across Europe the five priority concerns are chronic food related illness; food origins and quality; acute food related illness; chemical contamination, and adulteration of food. However, the discrepancies between mentioning a risk in the open ended question and the expression of worry about risks in the closed question are substantial. Of those who did not mention a specific risk category in the open question, between 60% and 83% (depending on risk category) expressed worry in the closed question. This parallels previous research on the fear of crime, showing that survey responses lead to greatly inflated estimates of the public’s fear of crime than is evidenced by qualitative questioning. It is also consistent with evidence from research on cognitive aspects of survey methodology suggesting that survey questions may frame the respondent’s thinking about an issue. We conclude with recommendations for the use of branched questions in the quantitative elicitation of public perceptions of risk.

Item Type: Article
Additional Information: This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Risk Research, available online at http://dx.doi.org/10.1080/13669877.2016.1147492
Uncontrolled Keywords: risk perception, food risks, survey methods and measurement, open-ended questions
Subjects: H Social Sciences > HD Industries. Land use. Labor
Divisions: School of Social Sciences > Department of Sociology
URI: http://openaccess.city.ac.uk/id/eprint/13280

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