Asked by Anonymous

Can a hypothesis test yield a statistically significant (say p<=0.05), yet practically meaningless result? Give an example of how this might happen.

Answered by PsyDAG
There was a study that found the height of various levels of executives was statistically significant, with taller persons having higher positions. However, the mean differences were only small fractions of an inch. How would that help you in hiring or promotions?
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