Normally, how an A/B test works is that you present those options to different users and then you compare their behavior to some designed outcome. It is almost

Normally, how an A/B test works is that you present those options to different users and then you compare their behavior to some designed outcome. It is almost never a matter of asking users to choose between options. You are just giving them the different versions and then measuring their engagement levels. Engagement often measured by sales or click through rates. The one with the most engagement wins.