Basics

Hallucination

When an AI tool states something false as if it were true, such as an invented statistic, quote, case law or reference. It happens because the model generates plausible text rather than looking facts up. Some prefer the term confabulation. Check anything that matters against a source.


Where this is taught

7Limitations and staying safe
Hallucination, bias, knowledge cutoffs, privacy, deepfakes and AI-powered scams: what AI gets wrong, and how to protect yourself.
12Checking AI's work
Fact-checking, source-checking and spotting hallucinations: the habits that turn a fluent draft into something you can sign off.

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Beyond the definition

Knowing the word is the easy part

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