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dc.contributor.authorSkeie, Magnus Aa.
dc.contributor.authorLindhjem, Henrik
dc.contributor.authorSkjeflo, Sofie Waage
dc.contributor.authorNavrud, Ståle
dc.description.abstractStated preference (SP) web surveys are increasingly completed on mobile devices such as smartphones and tablets instead of computers. Due to differences in technical attributes and response contexts of the devices, this trend may affect the quality of the survey data and elicited welfare measures. Little is known of such device effects in SP research. In the first such study of its kind, we compare willingness to pay (WTP) and response quality between devices in a large, national contingent valuation survey. Propensity score matching is used to distinguish device effects from observed sample composition effects due to self-selection. We find significantly higher WTP for smartphone respondents in the first out of four sequential WTP questions, and no differences for tablets. Concerning data (response) quality, results are mixed, but not consistently lower for smartphones and tablets compared to computers. Measured by indicators of response randomness, shares of don't know and protest zeros, smartphone responses even show signs of higher quality. Only in terms of the extent of internal scope sensitivity, do smartphones and tablets fare somewhat worse than computers. Overall, our results do not indicate substantial loss of response quality or differences in welfare measures for mobile devices. Contingent valuation Ecosystem services Mobile device Propensity score matching Survey qualitynb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.subjectContingent valuationnb_NO
dc.subjectEcosystem servicesnb_NO
dc.subjectMobile devicenb_NO
dc.subjectPropensity score matchingnb_NO
dc.subjectSurvey qualitynb_NO
dc.titleSmartphone and tablet effects in contingent valuation web surveys – No reason to worry?nb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.rights.holder© 2019 Elsevier B.V. All rights reserved.nb_NO
dc.subject.nsiVDP::Matematikk og Naturvitenskap: 400::Zoologiske og botaniske fag: 480nb_NO
dc.source.journalEcological Economicsnb_NO
dc.relation.projectNorges forskningsråd: 255777nb_NO
dc.relation.projectAndre: Norwegian Coastal Administrationnb_NO

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Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal