5 Mistakes To Avoid When Running A/B Tests

Common product test mistakes and a practical guide for successful A/B tests

Olga Berezovsky
Data Analysis Journal
5 min readSep 10, 2021

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Many companies today are very aggressive in running product tests. Some make testing part of their culture, and some simply use it as a security tool to validate new features. Regardless of the company mission, values, or roadmap agenda, as a data or product analyst, you have to ensure your team follows the right test principles, ethics, and statistical foundation.

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