LEXICON Open App →
HomeGlossary › sign change coverage

sign change coverage

📖 ISTQB Glossary

Official ISTQB Definition

The coverage of neurons activated with both positive and negative activation values in a neural network for a set of tests.

3 Ways to Think About It

💡
The Quick Take

Neural network coverage measuring sign changes in activations.

🔍
Look Closer

Testing that neuron activation signs flip between tests.

🎯
The Bottom Line

A structural coverage metric for AI testing.

Practice this term with quizzes and arcade games

Study with Lexicon →
← shift rightAll Termssign-sign coverage →