The 20% Statistician

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

Thursday, October 3, 2024

Andrew Huberman vs. Decoding the Gurus (Metascience course assignment)

Below I am providing the first assignment in a new Metascience course I am teaching at Eindhoven University of Technology. The goal of the a...

Saturday, September 21, 2024

The distinction between logical justifications and empirical justifications: A reply to Prof. Hullman

In my previous blog post I explained why debates about whether or not we should preregister will not be solved through empirical means. Thi...

Wednesday, September 4, 2024

Why I don’t expect to be convinced by evidence that scientific reform is improving science (and why that is not a problem)

Since more or less a decade there has been sufficient momentum in science to not just complain about things scientists do wrong, but to actu...

Tuesday, July 23, 2024

New paper: The benefits of preregistration and Registered Reports.

With my PhD students Cristian Mesquida and Sajedeh Rasti, and former lab visitor Max Ditroilo we published a new paper on preregistration a...

Friday, February 9, 2024

Why Effect Sizes Selected for Significance are Inflated

Estimates based on samples from the population will show variability. The larger the sample, the closer our estimates will be to the true po...

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