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Relating question type to panel conditioning : a comparison between trained and fresh respondents
Toepoel, Vera (contributor); Das, Marcel (contributor);  … - 2008
Persistent link: https://www.econbiz.de/10003728505
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A closer look at web questionnaire design
Toepoel, Vera - 2008
Persistent link: https://www.econbiz.de/10003905139
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Can I use a panel? : panel conditioning and attrition bias in panel surveys
Das, Marcel (contributor); Toepoel, Vera (contributor);  … - 2007
Persistent link: https://www.econbiz.de/10003660204