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QA is a boring, time-consuming, essential part of experimentation. How can we make it as efficient as possible while minimizing the risk of breaking the internet, or (even worse) getting unreliable …
Continue Reading about What browsers and devices should you test during experiment QA? →
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You know better than to call a winner 4 days into a test, just because a calculator calls the results significant. But what about losers? The same statistical considerations apply. You need more …
Continue Reading about When a variation is losing big time, early into a test →