non-responders

If you are worried that this biases the sample and you have the money to do so, use a panel of respondents so you can manage your sample (pursuing non-responders with followup emails, etc.) to control for bias.

Show Me the Way, Bryan Caplan | EconLog | Library of Economics and Liberty 2009

It is easy to envision a situation where the percentage of non-responders, etc, change over time. exit-polls are samples, as in the case of all samples, sometimes they're wrong, I don't see what the big deal is.

Exit Polls, Arnold Kling | EconLog | Library of Economics and Liberty 2009

When they are done they are not only weighted for turnout but they also adjust for 'non-responders'.

Exit Polls, Arnold Kling | EconLog | Library of Economics and Liberty 2009

By the time enumerators follow up with non-responders in May, some students may be gone for the summer.

Why are college students so hard to count in the Census? 2010

Naturally, Stewart ended things on a light note with a patriotic tribute to the tune of the ubiquitous "I'm proud to be an American" song for all the 9/11 "non-responders" who opposed the bill, complete with appropriate montage.

Stewart To GOP: No More Using 9/11 For Political Gain Until First Responders Bill Is Passed (VIDEO) The Huffington Post News Team 2010

Naturally, Stewart ended things on a light note with a patriotic tribute to the tune of the ubiquitous "I'm proud to be an American" song for all the 9/11 "non-responders" who opposed the bill, complete with appropriate montage.

WATCH: Stewart Bans GOP From Using 9/11 For Political Gain The Huffington Post 2010

" With this information you can stratify patients — you can divide patients into " responders " and " non-responders " , which is a very important field now for the pharmaceutical industry, because they are having a harder and harder time to find and launch blockbuster drugs, " Dr. Uhlen said in a telephone interview.

Scientists Reach Midpoint of Protein Study Sten Stovall 2010

I'm getting more form rejections than not, a bunch of non-responders, and one kind agent who directed me to the Heroman's guide.

Archive 2010-05-01 Editorial Anonymous 2010

This would allow the study to be carried out with a much smaller number of patients, as the trial would not be diluted with non-responders.

Glenn D. Braunstein, M.D.: Personalized Medicine Is Becoming a Reality M.D. Glenn D. Braunstein 2010

Anyone who has seen a competent stage hypnotist has seen a demonstration of the phenomenon albeit, a competent stage hypnotist is also working with the more highly suggestible folks in his audience and has eliminated non-responders.

Eyes Wide Open and . . . Sleep!. . . How to Do Walking Somnambulism 2005