![Bayesian AB Testing is Not Immune to Optional Stopping Issues Fantasy vs real world in bayesian ab testing](https://blog.analytics-toolkit.com/wp-content/uploads/2016/09/2016-09-20-Fantasy-vs-Real-World-in-Bayesian-AB-Testing-352x198.png)
Fantasy vs the Real World: Naive Bayesian AB Testing vs Proper Statistical Inference This post is addressed at a certain camp of proponents and practitioners of A/B testing based on Bayesian statistical methods, who claim that outcome-based optional stopping, often called data peeking or data-driven stopping, has no effect on the statistics and thus inferences […] Read more…