V-model
📖 ISTQB Glossary
Official ISTQB Definition
A sequential software development lifecycle model describing a one-for-one relationship between major phases of software development from business requirements specification to delivery, and corresponding test levels from acceptance testing to component testing.
3 Ways to Think About It
The Quick Take
A development model pairing each phase with corresponding testing.
Look Closer
V-shaped diagram showing development and testing alignment.
The Bottom Line
Sequential model where each development stage has a test stage.
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