Building a combined RP/SP survey in SurveyEngine
Building a combined RP/SP survey in SurveyEngine A combined RP/SP survey collects both revealed and stated preference data from the same respondents. The survey design...
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Implementing pivot designs with variable piping in SurveyEngine
Implementing pivot designs with variable piping in SurveyEngine Pivot designs are technically demanding to implement. The reference data must be collected, stored, computed, and displayed...
Mobile display of choice tasks in patient surveys
Mobile display of choice tasks in patient surveys More than half of patient preference study respondents complete surveys on mobile devices. Choice tasks designed for...
Informed consent in patient preference DCE studies
Informed consent in patient preference DCE studies Patient preference studies involving identifiable health data require informed consent that is specific to the research purpose and...
Controlling for warm glow in environmental DCE surveys
Controlling for warm glow in environmental DCE surveys Warm glow - the moral satisfaction of appearing to support environmental causes - inflates stated WTP in...
Writing effective payment vehicle text in environmental DCEs
Writing effective payment vehicle text in environmental DCEs How you describe the payment mechanism in an environmental DCE is as important as which mechanism you...
Recruiting hard-to-reach transport populations for SP studies
Recruiting hard-to-reach transport populations for SP studies Many transport studies require populations that standard online panels cannot adequately represent - freight shippers, regular cyclists, rural...
Recruiting commuters for transport mode choice SP studies
Recruiting commuters for transport mode choice SP studies Commuter samples need careful definition - commuting by what mode, how often, over what distance? Correct sourcing...
Sample size for a discrete choice experiment
Sample size for a discrete choice experiment Sample size is one of the most common questions in DCE research - and one of the most...
Choosing a panel provider for your DCE
Choosing a panel provider for your DCE Panel quality is the single biggest determinant of DCE data quality that is outside the researcher's direct control....
Recruiting patients for health preference DCE studies
Recruiting patients for health preference DCE studies Patient recruitment is typically the most challenging and expensive element of a health preference study. Getting the strategy...
Recruiting healthcare professionals for DCE studies
Recruiting healthcare professionals for DCE studies HCP studies require professional verification, credentialing checks, and different incentive structures than patient studies. Here is how to do...
Confirmation of diagnosis in patient preference studies
Confirmation of diagnosis in patient preference studies For regulatory-grade patient preference studies, confirmation of diagnosis is not optional. Self-report alone is insufficient - but full...
General population sampling for environmental valuation studies
General population sampling for environmental valuation studies Environmental valuation studies typically target the general public - but 'general public' needs to be defined precisely to...
Planning a value of travel time study
Planning a value of travel time study VoTT studies have specific design requirements that differ from other DCE applications. Getting the scope, design, and recruitment...
DCE evidence in transport cost-benefit appraisal
DCE evidence in transport cost-benefit appraisal Transport infrastructure decisions worth billions depend on DCE-derived estimates of the value of travel time. This article explains how...
Reporting DCE results - standards and best practice
Reporting DCE results - standards and best practice The PREFS checklist and ISPOR standards set the minimum bar for DCE reporting - but good reporting...
Project planning for a DCE study
Project planning for a DCE study A DCE study has eight distinct phases each with its own deliverables, dependencies, and risk points. Planning them correctly...
Using DCE evidence in HTA submissions
Using DCE evidence in HTA submissions Patient preference evidence from DCE studies is increasingly expected in HTA submissions - but how you prepare and present...
Health preference study checklist - from brief to submission
Health preference study checklist - from brief to submission A health preference study has dozens of decision points required the final evidence package. This checklist...