Wise Use Of Null Hypothesis Tests: A Practition... Page

Conduct a before your study to ensure your sample size is large enough.

Use or similar adjustments if testing multiple variables. 3. The Power of "No" A non-significant result ( Wise Use of Null Hypothesis Tests: A Practition...

) does not mean there is no effect; it might just mean your study was too small to find it. Conduct a before your study to ensure your

If you run twenty different tests on the same data, one will likely be significant just by chance. not if it is large .

A p-value tells you if an effect is , not if it is large .