Create an A/B test, then create a custom audience for the test experience and make a rule in Geo with the list of zip codes.

Create an A/B test, then create a custom audience for the test experience and make a rule in Geo with the list of zip codes. Divert 100% of traffic to the test experience.

Create an XT activity, then create a custom audience and make a rule in Geo with the list of zip codes.

Give additional understanding to interpret gains/losses of primary success metric.

These metrics are only used to measure time on site and primary metrics.

These metrics are only used to evaluate which audiences best respond to experiences.

Ensure that primary success metric gain is not at the cost of secondary metrics.

so that "Conversion Rate of Alternative" can be estimated pre-test

because it is not possible to change your primary goal after the test has started

so that "days to complete test" can be estimated pre-test

to minimize risk of biased metric selection