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Assumption Mapping

TTool · Assumption Mapping

By , Editor · · What’s Next

The plan looks solid on paper. Everyone's confident. But when you press on how you know the key premise is true, the room goes quiet.

Assumption Mapping is Strategyzer's risk-surfacing technique. You list every assumption behind your plan, then plot each on two axes — importance and certainty — so the dangerous ones become visible.

A 2x2 matrix with axes importance / risk and certainty, its four quadrants labelled high stakes / high certainty, high stakes / low certainty, low stakes / high certainty and low stakes / low certainty, plotted with sticky notes (pricing, demand, copy tone, icon set, auth flow, billing) and an EXPERIMENT callout.
Method visual — Assumption Mapping
A move inside a Playbook

“I've been asked to launch something and I don't know what users actually need.”

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