28-10-2026
Becky Halls
Why Fixed A/B Tests Are Losing Ground to Adaptive Bandits
A growing argument in CRO circles this year is that the classic 50/50 A/B test is starting to show its age, and that AI-driven “bandit” algorithms are the better default. There’s a real case behind that argument. There’s also a real case for ignoring it if you’re not the audience it’s written for. Here’s both […]