Chapter 4 – Test Analysis and Design
Test Basis – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The body of knowledge used as the basis for test analysis and design.
In simple words
The source of truth you derive tests from — requirements, user stories, models, code, or standards.
Exam tip
Traceability from test basis → test conditions → test cases is a CTFL v4.0 exam favourite.
Related terms
- Test ConditionA ‘what to test’ statement — one idea, one risk, or one requirement — that later becomes one or more test cases.
- TraceabilityBeing able to prove which tests cover which requirement, story or risk — both ways.
- Test AnalysisReading requirements, user stories or code and figuring out ‘what should we test?’.
Practice this term in the ISTQB Mock Test
40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.
Practice in Mock Test