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<div class="section level2">
<h2 id="power-and-effect-size-in-a-negative-result">Power and Effect Size in a Negative Result<a class="anchor" aria-label="anchor" href="#power-and-effect-size-in-a-negative-result"></a>
</h2>
<p>It does not make sense to calculate power in a study when the null
hypothesis is not rejected. However, it may be of interest to the
researcher to determine the minimum effect size that could be detected,
given the sample size of the study and a specified power. We use the
example of