A Facebook Ads testing framework for media buyers transforms how you approach campaign experimentation by introducing systematic hypothesis validation into your workflow. Media buyers traditionally rely on intuition and broad-stroke optimization, but this structured approach forces you to define specific, testable claims before launching variants. The framework details how to document your assumptions about audience response, creative performance, and bidding strategy in a format that survives account changes and team transitions. You'll learn to track which hypotheses delivered measurable improvements and which ones drained budget without clear ROI signals. This resource is essential for teams managing multiple accounts who need consistency and reproducibility across campaigns. Implementing this discipline typically reduces wasted spend on low-signal tests within the first month.