Email & Subject Lines How to A/B Test Email Subject Lines by Personality Type Most email A/B tests are designed to find a winner. The problem is that the winner is an average across people who wanted completely different things — and the test can't tell you which variant worked on whom. The fix is not a bigger list. It is a
Email & Subject Lines How to A/B Test Email Subject Lines by Personality Type | COS by SEMalytics Standard A/B tests average across personality types — hiding which profile actually responded. Personality-based subject line testing isolates the variable that matters. COS generates personality-scored subject lines before you send.
