
holdout
Global journey holdout vs per-journey holdout: platform-wide control vs one-path A/B control
Global holdout measures the journey program; per-journey holdout measures one path. Scope is everything.

Amir Hosseini
Sep 23, 2026 · 7 min read
Blog
Guides on audiences, journeys, and measurement — written for marketers who ship.

holdout
Global holdout measures the journey program; per-journey holdout measures one path. Scope is everything.

Amir Hosseini
Sep 23, 2026 · 7 min read