To create an A/B test, go to Experiments in your All Tools menu in Ads Manager.
You can test campaign groups, The campaign is the foundation of your Facebook ad. This is where you'll set an advertising objective, which defines what you want your ad to achieve. More, or An ad set is a Facebook ads grouping where settings like targeting, scheduling, optimization, and placement are determined. More. With campaign groups, you can group similar campaigns together to compare their performance to another group.
In this video, I tested three ad sets. They were set up identically (targeting, placements, and creative) except for the The Performance Goal is chosen within the ad set and determines optimization and delivery. How you optimize impacts who sees your ad. Meta will show your ad to people most likely to perform your desired action. More. Each ad set was optimized differently.
What’s nice about creating A/B tests in Experiments is that you select ad sets that are currently running. The original method of Split testing (or A/B testing) allows you to test changes in Facebook variables like ad creative, audience, or placement to determine which approach performs best. More required you created a split test with a set start and finish. The campaign then stopped.
In this case, you determine when the split test will run. The ad sets will run normally outside of the test. There will be no overlap in targeting while the test is running. You can choose to end the test early if a winner is found.
Choose a key metric to determine your winner and up to nine additional metrics that you’ll want to see in the results.