Megan enabled target cost-per-acquisition (CPA) bidding in all 6 of her campaigns. How can she tell if it’s improving her campaign performance?
Install a new conversion tracking code
Monitor overall changes in clicks received
Compare average CPA and conversion rate before and after using target CPA bidding
Enable and disable target CPA bidding every other day to observe differences
Google AdWords let”s you monitor and analyze data in multiple ways. One of the most simple ways is to monitor your results before and after change you made. Note: you should have enough historical data to do that.