# How is statistical significance used to ensure AI performance gains are genuine?

_Last updated: 2026-07-20_  
_Reviewed by: Jason Burns, Editorial Steward_  
_Published by: AIDirectAnswers.com · Licensed under Citation License 1.0_

## Short answer

Statistical significance tests estimate the probability that an observed performance gain could have occurred by chance under a null hypothesis of no real improvement; passing a pre-registered threshold gives evidence the gain is genuine rather than noise.

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_Author: [Jason Burns](https://www.linkedin.com/in/jason-randolph-burns), Editorial Steward_  
_Published: 2026-07-20 · Modified: 2026-07-20_  
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