French version

Vous trouverez ce document qui tend à expliquer de façon intuitive la notion de facteur de confusion à travers deux exemples.

J’ai rajouté les exemples du document sur la page Wikipédia en français.

English version

This document aims to explain intuitively the notion of confounding through two examples.

Interesting links

For French speaker, you can find this video on Youtube by ScienceEtonnante.

For English speaker, all the readings written in the website of Qingyuan Zhao are interesting references.