Passing respondents back to Qualtrics after a SurveyEngine DCE
Passing respondents back to Qualtrics after a SurveyEngine DCE Many researchers use Qualtrics for their wider survey but need SurveyEngine for the choice experiment component....
Knowledge-Base
Using Ngene-Lite for DCE designs
Using Ngene-Lite for DCE designs You can now create experiment designs directly in SurveyEngine using Ngene™ Lite. This is preferred choice of professional researchers who...
Knowledge Base Master
SurveyEngine Knowledge Base The knowledge base is organised around the stages of a DCE research project from start to finish. You'll find general guidance but...
Putting It All Together
Putting It All Together End-to-end guidance for completing a DCE study - project planning, reporting standards, HTA submissions, and cost-benefit analysis. Knowledge Base -> Putting...
Modelling & Analysis
Modelling & Analysis Estimating choice models from your data - MNL, mixed logit, WTP space, latent class, and RP/SP joint estimation in Apollo. Knowledge Base...
Data Quality
Data Quality Detecting and managing poor quality responses - fraud detection, speeders, straightliners, protest responses, and incidence rate monitoring. Knowledge Base -> Data Quality SurveyEngine,...
Respondent Sampling
Respondent Sampling Recruiting the right respondents for your study - sample size, panel providers, patient recruitment, and hard-to-reach populations. Knowledge Base -> Respondent Sampling SurveyEngine,...
Testing & QA
Testing & QA How to test and quality-assure your DCE before and during fieldwork - pilot studies, cognitive interviewing, soft launches, and consistency checks. Knowledge...
Survey Building
Survey Building Building the survey instrument around your choice experiment - question flow, display logic, variable piping, and platform integration. Knowledge Base -> Survey Building...
Experiment Design
Experiment Design How to design a statistically efficient choice experiment - attributes, levels, D-efficiency, blocking, and advanced design methods. Knowledge Base -> Experiment Design SurveyEngine,...
Foundations
Foundations The conceptual and theoretical building blocks of discrete choice experiments - what they are, why they work, and when to use them. Knowledge Base...
Soft launch and fieldwork monitoring for transport SP surveys
Soft launch and fieldwork monitoring for transport SP surveys A soft launch - collecting 5–10% of your sample before opening fully - catches problems early...
Testing attribute levels in transport SP surveys
Testing attribute levels in transport SP surveys Attribute levels that are too narrow produce insufficient variation; levels that feel unrealistic disengage respondents. Testing levels before...
Pilot study design for a discrete choice experiment
Pilot study design for a discrete choice experiment A pilot study is not optional in DCE research. It is the only way to identify problems...
Cognitive interviewing for DCE survey testing
Cognitive interviewing for DCE survey testing Cognitive interviews reveal how respondents actually interpret your survey - which is often very different from how you intended...
PII handling and adverse event monitoring in patient surveys
PII handling and adverse event monitoring in patient surveys Patient surveys that collect health information have specific obligations around personally identifiable information and the possibility...
Ethics approval for health preference DCE studies
Ethics approval for health preference DCE studies Patient preference studies invariably require ethics approval. Getting this right from the start saves weeks of delay and...
Testing scope sensitivity in environmental valuation DCEs
Testing scope sensitivity in environmental valuation DCEs Scope sensitivity - WTP increasing with the scope of environmental improvement - is a fundamental validity criterion for...
Pre-identifying protest respondents in environmental DCEs
Pre-identifying protest respondents in environmental DCEs Protest responses can be partially anticipated before the choice tasks begin. Pre-screening attitudes can improve data quality and inform...
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...