Management.
AB / Multivariate Testing.

A technique for testing a hypothesis in which multiple variables are modified. The goal of multivariate testing is to determine which combination of variations performs the best out of all of the possible combinations.

AboutAuthorDate
The A/B Test: Inside the Technology That’s Changing the Rules of BusinessWired
What is Multivariate Testing?Optimizely
The Ultimate Guide To A/B TestingSmashing Magazine
10 Things To Know About A/B TestingMeasuring U
Putting A/B Testing in Its PlaceNielsen Norman GroupAugust 14th, 2005