Chapter 2 – Testing Throughout the SDLC
Prototyping Model – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
An SDLC approach where an initial prototype is built and refined with user feedback until requirements are stabilized.
In simple words
Building a rough working version early to learn what users actually want.
Exam tip
Prototyping is used to reduce requirements risk before full-scale development.
Related terms
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