Facebook rolled out more options Monday for advertisers looking to engage in split testing, or A/B testing.

The social network introduced creative split testing last October as a way for brands to A/B test different ad formats, visuals, headlines and calls to action in order to determine which versions of their ads drive the best results, with users only seeing one version of ads during split tests.

Facebook expanded on last October’s improvements by announcing:

The addition of split tests to the Quick Creation flow, rather than just the Guided Creation workflow in Ads Manager, which enables advertisers to create and manage ads in bulk.

Spilt tests optimized for the engagement marketing objective, enabling brands to run tests on ads aimed at post engagement, page likes and event responses.

Split tests can also be run for objectives including sales, conversions, application installs, reach, video views, traffic and lead generation.

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