// Hacker Noon · 10 February 2026

Enhancing Experiment Sensitivity in B2C: A Robust Framework for Heavy-Tailed Metrics

A/B tests on heavy-tailed B2C metrics like ARPU often suffer from low sensitivity. This article introduces a robust framework using Cross-Fitted CUPED to reduce variance, prevent overfitting, and shorten experiment duration. Includes Python code.

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