Decide that three hours is long enough because people never check our emails after that. Try to test for 24 hours to give us enough time to produce statistically significant results. Three hours is too long. We should only run it for an hour so we can make our decision faster. We should review past […]
Why am I running this test? What am I testing? Who am I testing with? How long will my test run? Download HubSpot Email Marketing Certification Exam Answers (PDF)