The 20% Statistician

A blog on statistics, methods, philosophy of science, and open science. Understanding 20% of statistics will improve 80% of your inferences.

Showing posts with label Power. Show all posts

Showing posts with label Power. Show all posts

Sunday, May 3, 2026

There are 13 ways to analyse a replication study, but only one of them is coherent.

Paul Simon’s says there are 50 ways to leave your lover, and a similar abundance characterizes the contemporary literature on how to analyse...

Sunday, September 28, 2025

Type S and M errors as a “rhetorical tool”

Update 30/09/2025: I have added a reply by Andrew Gelman below my original blog post. We recently posted a preprint criticizing the idea o...

Wednesday, August 5, 2020

Feasibility Sample Size Justification

This blog post is now included in the paper "Sample size justification" available at PsyArXiv. When you perform an experiment,...

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