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Hypothesis-Driven Development

TTool · Hypothesis-Driven Development

By , Editor · · What’s Next

The roadmap is full of features. Everyone's busy building. But nobody can say what they expect each feature to change, or how they'd know if it worked.

Hypothesis-Driven Development (HDD) is a structured experimentation technique. You frame every piece of work as an explicit hypothesis — "We believe X will result in Y; we'll know we've succeeded when Z" — and define success criteria before building begins.

A five-step sequence of numbered blocks labelled 01 write, 02 define, 03 set, 04 run and 05 read, each with a one-line instruction beneath.
Method visual — Hypothesis-Driven Development
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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