A/B Testing (Split Testing) Is The Process Of:

collecting data and user insights on the performance of online advertising campaigns
running marketing experiments to see which version of an ad connects better with your audience
quantifying the number of digital views or engagements of a piece of content
finding and analyzing search terms that people enter into search engines

The correct answer is:

running marketing experiments to see which version of an ad connects better with your audience

Sources: HubSpot Digital Advertising Certification Course

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