A minute of your time: The impact of survey recruitment method and
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How Taking a Vacation Improves Your Well-Being
PDF) Comparing cost-benefit analysis and multi-criteria analysis
Post-Car World: data collection methods and response behavior in a multi-stage travel survey
SurveyMonkey: The World's Most Popular Free Online Survey Tool
The Good Life, Book by Robert Waldinger, Marc Schulz
Professional Respondents in Opt-in Online Panels: What Do We Really Know?
Surveys: What They Are, Characteristics & Examples