Advanced – Non-Functional Testing
Analysability – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The degree of effectiveness with which the impact of a change or the cause of a failure can be assessed.
In simple words
How easy it is to figure out why something broke or what a change will affect.
Exam tip
A maintainability sub-characteristic in ISO 25010, often tied to logging and observability.
Related terms
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