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Research Methods Adjusted, Little Blood Letting
Michael Hedges July 23, 2015 Follow on Twitter
A necessary tool in the audience measurement kit is sampling. Counting everybody is hardly efficient or even necessary. Collecting the best data from real people requires a reliable count of how many are there. There is no need to drain the entire body of blood when a simple finger prick is sufficient explained opinion research legend Elmo Roper deep in the last century when the science was a little more frightening. Researchers today take great care in where the needle is inserted.

 

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