Idukki
Metrics

Holdout test

In one sentence

The only way to measure UGC lift defensibly. Serve UGC to half of PDP visitors, hide it from the other half, measure the delta. Anyone reporting UGC lift without a holdout has assumed it, not measured it.

Also calledA/B holdoutcontrol arm
4-min setupDTC + B2B brands37 KB runtimeReal G2 reviews

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Holdout test. Idukki glossary definition — Idukki