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Holdout testWhat it means for you.

An experiment where a random group does not receive a campaign, used as a comparison.

Growth Score · Data & Measurement

Definition

What it means

By withholding a campaign from a slice of the audience, you can compare outcomes with those who saw it. The gap is the campaign's real effect. It needs enough volume and a truly random split.

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Turn tickets into decisionsA monthly pass that turns a pile of tickets and reviews into one ranked list.SaaS metrics that matterThe seven numbers that predict growth, and what each one tells you to do next.Measure and learnPick three numbers, connect honest sources and review them every week with one decision.

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Quick answers

What is Holdout test?

An experiment where a random group does not receive a campaign, used as a comparison.

Where does it sit in Growth Score?

It belongs to the Data & Measurement pillar, one of the 12 pillars your score is built from.

What should I read next?

Start with Incrementality and A/B testing, then browse the other terms in Data & Measurement.

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