Home - Grow Offline Sales Certification - If you wanted to determine whether an ad drove incremental results, what method would you choose? If you wanted to determine whether an ad drove incremental results, what method would you choose? 2shares Facebook Twitter Pinterest LinkedIn Skype Facebook MessengerQuestion: If you wanted to determine whether an ad drove incremental results, what method would you choose? Geo-Based Product-based User-Based Store-Based The right answer was: Geo-Based