Huolala Tech

Nov 17, 2023 · Fundamentals

Ensuring Homogeneity in AB Tests: Practical Solutions for Reliable Results

This article explains how to guarantee homogeneity in AB experiments by defining pre‑experiment bias, presenting statistical testing methods, outlining a three‑step workflow for both pre‑ and post‑experiment phases, and sharing real‑world case studies and correction techniques to improve decision‑making reliability.