Tag Archives: unrepresentative sample

Snowball Sampling–Don’t Do That!

Follow Geordie and don’t do snowball sampling.  Don’t do that!  Snowball sampling is not random sampling and random sampling is the only procedure that provides optimal possibility for obtaining a representative sample.  Unrepresentative samples cannot provide reliable information and should not be … Continue reading

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Unreliable Interviews

Below are my comments on Marcia Angell’s article (New York Review of Books, 12/3/15).  I call attention to deficiencies perpetuated by survey researchers and by those, Angell in this instance, who rely on survey research: Marcia Angell uses a fatally … Continue reading

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