Advanced – AI & ML Testing
Confusion Matrix – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A table showing true positives, false positives, true negatives, and false negatives for a classifier.
In simple words
A 2×2 table showing what the model got right and wrong for each class.
Exam tip
Confusion matrix drives precision, recall, F1, accuracy — foundational ML testing artifact.
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