Mde Articles — Atticus Li

Atticus Li

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Mde

Articles exploring mde through the lens of behavioral science and experimentation. Practical frameworks for growth leaders who measure in revenue, not vanity metrics.

2 articles

ab-testing Mar 31, 2026 9 min read

Minimum Detectable Effect in A/B Testing: The Number That Determines Everything

MDE is the most underrated concept in A/B testing. Get it wrong and you'll run underpowered tests for months. This guide covers MDE calculations, real benchmarks by test type, and how to frame it as a business decision.

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optimizely Mar 31, 2026 13 min read

Minimum Detectable Effect (MDE): The Most Important Number You're Not Setting Correctly

MDE isn't a calculator input — it's the foundation of your entire experiment design. Set it wrong and you'll either run 6-month tests or miss real effects entirely. Here's the framework, the math, and the business ROI approach that changes how you plan experiments.

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