Chapter 4 – Test Techniques
MC/DC (Modified Condition/Decision Coverage) – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A rigorous coverage criterion requiring each condition in a decision to independently affect the outcome, mandated by safety standards like DO-178C.
In simple words
Every condition in an if-statement must be shown to independently change the result.
Exam tip
MC/DC is the gold standard for safety-critical avionics and medical software.
Related terms
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