CKO-007Hallucinations, Bias & FairnessStrong evidenceHigh risk

What is a hallucination?

A hallucination is information generated by AI that is unsupported, fabricated or incorrect.

In more detail

Hallucinations occur when AI systems generate information that appears plausible but is not grounded in evidence. Hallucinations may involve invented facts, fabricated citations, incorrect interpretations or unsupported conclusions.

Why it matters

Hallucinations can introduce false evidence into reviews.

Decision rule

Verify all AI-generated factual claims against original sources.

Common misconception

  • “Hallucinations only occur when information is missing.”

At a glance

Evidence strength
Strong
Risk category
High
Trust impact
High

Related concepts

VerificationTransparencyHuman Oversight
Key takeaway

AI-generated information should never be accepted without verification.

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