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Project Management & Agile · Foundational

Prototype

An early working model of a product used to obtain feedback before building the real thing.

Definition

Prototypes range from low-fidelity (paper sketches, wireframes) to high-fidelity (interactive mockups); throwaway prototypes are discarded, evolutionary ones are refined into the product.

Example

Clickable wireframes tested with five users reveal a confusing checkout step.

Exam tip

Prototypes support progressive elaboration of requirements.

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