Testing multiple page level design changes for perfomance and preference

1. What is multivariate testing in UX?
2. Which testing technique is used for usability testing?

What is multivariate testing in UX?

What is multivariate testing. Multivariate testing is a user testing technique for validating a design hypothesis. The product team modifies multiple variables and uses multivariate testing to determine which combination of variations performs the best out of all of the possible combinations.

Which testing technique is used for usability testing?

Techniques popularly used to gather data during a usability test include think aloud protocol, co-discovery learning and eye tracking.