Prototyping Fidelity: Matching the Mockup to the Question

Clickable prototypes with real content on core tasks — usability testing territory, where most design de-risking happens per dollar.

Fidelity signals certainty — premature pixel-perfection ends exploration and anchors review on decoration; match the finish to the decision still open.

Skipping the discipline this article describes until an incident, audit, or stalled project forces it — every practice above is cheaper adopted early than retrofitted under pressure.