Bayesian vs Frequentist A/B Testing – What’s the Difference?

Bayesian versus Frequentist Statisticians: the war is real
Imagine that you wake up in the one morning and you don’t remember anything from your previous life. You’ve erased all memories from…

Please click on the title to read the full articl…

Bayesian versus Frequentist Statisticians: the war is real Imagine that you wake up in the one morning and you don’t remember anything from your previous life. You’ve erased all memories from...

Please click on the title to read the full article!

Statistical Significance in A/B Testing – a Complete Guide

The concept of statistical significance is central to planning, executing and evaluating A/B (and multivariate) tests, but at the same time it is the most misunderstood and misused statistical tool in internet marketing, conversion optimization, landin…

The concept of statistical significance is central to planning, executing and evaluating A/B (and multivariate) tests, but at the same time it is the most misunderstood and misused statistical tool in internet marketing, conversion optimization, landing page optimization, and user testing. This is not my first take on the topic, but it is my best […] Read More...

Multivariate Testing – Best Practices & Tools for MVT (A/B/n) Tests

Let’s get this out of the way from the very beginning: most “A/B tests” are in fact multivariate (MVT) tests, a.k.a. A/B/n tests. That is, most of the time when you read about “A/B testing” the term also encompasses multiv…

Let’s get this out of the way from the very beginning: most “A/B tests” are in fact multivariate (MVT) tests, a.k.a. A/B/n tests. That is, most of the time when you read about “A/B testing” the term also encompasses multivariate testing. The only reason to specifically differentiate between A/B and MVT is when someone wants to […] Read More...