Bayesian vs Frequentist A/B Testing – What’s the Difference?
ConversionXL
AUGUST 17, 2015
There’s a philosophical statistics debate in the optimization in the world: Bayesian vs Frequentist. This is not a new debate; Thomas Bayes wrote “ An Essay towards solving a Problem in the Doctrine of Chances ” in 1763, and it’s been an academic argument ever since. Recently, the issue has become relevant in the CRO world – especially with the announcement that VWO will be using Bayesian decisions (Google Experiments also uses Thompson sampling , which is informed by a Bayesian pers
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