If it would have been possible to run a pilot test, we would have been able to give an absolute definitive answer to your question, but with all the information we have, yes, the voluntary survey will be less accurate.
August 27th, 2010 / 12:40 p.m.
Professor, Department of Economics, McMaster University, As an Individual
If it would have been possible to run a pilot test, we would have been able to give an absolute definitive answer to your question, but with all the information we have, yes, the voluntary survey will be less accurate.
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