Selection bias may also make a test look better than it really is.
We have an example of selection bias as described in Section 15.2.7.
Most studies, however, are limited by selection bias and small sample size.
Also, it has been argued that selection bias may have played a role in the results.
Selection bias is likely to have occurred in this investigation.
Biz360 says this selection bias isn't a problem, because the online reputation itself has value.
This leads to selection bias, as the treatment and control groups now differ.
Selection bias may have also been introduced due to the low participation rate in this study.
This would indicate that a selection bias must not be ruled out.
If the selection bias is not taken into account then certain conclusions drawn may be wrong.
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