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Lesson 04 of 066 min

AI Hallucinations

Sometimes AI states things that are simply made up: a study that never happened, a quote nobody said, a wrong number. This is called a hallucination, and it can sound completely convincing.

From our Digital Guidebook · AI safety tips

In this lesson you will

  • Recognise where hallucinations tend to appear
  • Check an AI answer against reliable sources

Real-life example

Inspect this answer

AI assistant

AI assistant

According to a 2021 study by the National Institute of Sleep Science, teenagers who read before bed score 37% higher in exams.

Read it carefully. How many warning signs can you find before you inspect it?

Tap to reveal

Where hallucinations hide

Tap each card to flip it.

How it works

Check before you use

  1. AI answerA starting point
  2. Find the sourceDoes it exist?
  3. CompareWith a trusted source
  4. Then use itOr leave it out

How to

How to check an AI answer

Following along on your phone? Tick each step as you go.

Test yourself

Quick check

0 of 2 answered

  1. 01What is an AI hallucination?
  2. 02An AI quotes a study with an exact percentage. What should you do before using it?