testing quadrants
📗 CTFL
Official ISTQB Definition
A classification model of test types/test levels in four quadrants, relating them to two dimensions of test objectives: supporting the product team versus critiquing the product, and technology-facing versus business-facing.
3 Ways to Think About It
The Quick Take
A 2x2 grid organizing test types by whether they support the team or critique the product.
Look Closer
Four categories of testing based on business-facing vs technology-facing and guiding vs critiquing.
The Bottom Line
A framework for understanding which tests help development vs which validate the product.
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