Sunday, May 8, 2011

Sample Issues

What are the six main sample issues that commonly occur?
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1 comment:

  1. John JakubikMay 8, 2011 at 3:29 PM

    1. sample must be representative of population
    2. avoid sample bias through randomization
    3. avoid self-selection
    4. report response rates
    5. under coverage problem
    6. report margin of error

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