In Adobe Target, which metric is ideal for evaluating user engagement in a personalized content test?

A target expert was running an A/B test on the website's checkout page to compare two different call- to-action button colors. After a week of running the test, the developer noticed that both variations have similar conversion rates.
What course of action would be advisable in this situation?

A Target practitioner observes that an active experience is not displaying for certain audience segments. Upon checking the Experience Cloud Debugger, they notice the targeting rules are configured correctly, but the experience still fails to qualify.
What should they check next?

What is the limit of profile parameters per mbox call?

What is the key distinction between Automated Personalization Summary reports and A/B Test reports?