optimizely Mar 31, 2026 10 min read
False Discovery Rate in Optimizely: Why Running Many Tests Simultaneously Is Riskier Than You Think
Running 20 tests at 95% confidence means you expect at least one false positive by chance. Here's how Optimizely's FDR control works, what it doesn't protect against, and how to structure your testing program to minimize spurious wins.
Read Article
→