Post-hoc Power Analyses

These resources explain what post-hoc power analyses are and why they aren’t useful in most cases.

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What is post-hoc power anyway?
A simple, clear blog post explaining what observed power (post-hoc power) is and why it is a “useless statistical concept”.Read the blog postWhat the…
Why post-hoc power analyses are nonsensical
A short, clear, peer-reviewed article explaining “why it is nonsensical to use retrospective power analyses to conduct a postmortem on your study”.…