In A/B testing sequential tests are gradually becoming the norm due to the increased efficiency and flexibility that they grant practitioners. In most practical scenarios sequential tests offer a balance of risks and rewards superior to that of an equivalent fixed sample test. Sequential monitoring achieves this superiority by trading statistical power for the ability to stop earlier on average under any true value of the primary metric.| Blog for Web Analytics, Statistics and Data-Driven Internet Marketing | Analy...
Learn the meaning of A/B Testing (a.k.a. split testing) in the context of A/B testing, a.k.a. online controlled experiments and conversion rate optimization. Detailed definition of A/B Testing, related reading, examples. Glossary of split testing terms.| www.analytics-toolkit.com
How long does a typical A/B test run for? What percentage of A/B tests result in a ‘winner’? What is the average lift achieved in online controlled experiments? How good are top conversion rate optimization specialists at coming up with impactful interventions for websites and mobile apps?| Blog for Web Analytics, Statistics and Data-Driven Internet Marketing | Analy...