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Start for freeA/B testing is a user research method that compares two versions of a product or feature to determine which one performs better. It involves randomly showing different versions to users and measuring their responses to identify the most effective option.
Synonyms: Split testing, Bucket testing, Controlled experiment, Randomized controlled trial, Two-sample hypothesis testing

A/B testing, also known as split testing, is a powerful tool in user research. It involves creating two versions of a product or feature, typically referred to as Version A (the control) and Version B (the variant). These versions are then presented to different groups of users, and their interactions and responses are measured and analyzed.
A/B testing is crucial for making data-driven decisions in user experience design. It allows researchers and designers to:
By comparing user behavior between two versions, teams can confidently implement changes that are proven to be effective.
A/B testing can be applied to various elements of a digital product:
These tests help identify which version resonates better with users and drives desired outcomes.