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Decision Door Classifier
One-way doors need conviction; two-way doors need speed. Practice the classification with curated scenarios, or log your own decisions. Everything saves in your browser.
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Classify the doors
For each decision below, decide: is this a one-way door (irreversible, high cost to undo) or a two-way door (reversible, cheap to adjust)?
Which button color converts better — green or blue?
Which of two similar libraries should we prototype with?
A data-model choice that will be baked into every downstream integration.
A vendor contract with a multi-year lock-in.
A public API contract your consumers will build against.
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