![Analysis of 115 A/B Tests: Average Lift is 4%, Most Lack Statistical Power Observed Percent Change Significant](https://blog.analytics-toolkit.com/wp-content/uploads/2018/06/2018-06-19-Observed-Percent-Change-Significant-352x198.png)
Oct 2022 update: A newer, much larger and likely less biased meta analysis of 1,001 tests is now available! What can you learn from 115 publicly available A/B tests? Usually, not much, since in most cases you would be looking at case studies with very basic data about what was tested and the outcome of […] Read more…