That’s interesting to know, thank you for sharing it!
Looking at this study (comparing mail and web surveys) they cited non response rates to demographic items at 2-5%. However I don’t know how similar the target population here is to the ‘general population’ in these behaviours. http://surveypractice.org/index.php/SurveyPractice/article/view/47/html
That’s interesting to know, thank you for sharing it! Looking at this study (comparing mail and web surveys) they cited non response rates to demographic items at 2-5%. However I don’t know how similar the target population here is to the ‘general population’ in these behaviours. http://surveypractice.org/index.php/SurveyPractice/article/view/47/html