When creating a campaign experiment, which is a best practice?

Question

Accepted Answer

Isolate one variable to focus on for each test and use different tests when assessing the impact of more than one change.

Answer

Choose two or three metrics that can be used to reliably gauge campaign performance and determine the winner of a particular test.

Answer

After the end of an experiment, assess performance over a period of time that includes ramp-up.

Answer

As a means of expediting experiments, new ads aren’t subject to the same approval process during time of the experiments.