Smart, but Not Always Right: teacher key

Artificial Intelligence, grade 6 edition, written for 6th grade. What is AI? Learn how AI programs learn from examples, how AlphaGo beat a top Go player, why chatbots can make things up, and how to check what an AI says.

Read the book. Print this page for the key.

Questions and answers

1. What did AlphaGo do in March 2016?
   • Beat a top Go player four games to one (answer)
   • Lost to a chess champion
   • Wrote a book
2. How did AlphaGo fine-tune itself?
   • By reading books
   • By playing games against slightly changed copies of itself (answer)
   • By asking people for tips
3. Why can a language AI produce a false statement that sounds right?
   • It picks words by probability (answer)
   • It never learns
   • It only copies one book
4. What is a false positive?
   • A good email wrongly flagged as spam (answer)
   • A spam email that gets through
   • A correct answer
5. A chatbot names a book. What should a person do?
   • Trust it because it sounds sure
   • Ask the chatbot to check itself
   • Search to confirm that the book really exists (answer)

Words

• hallucinations: AI mistakes
• tokens: small word pieces
• nodes: simple parts
• autocomplete: word guesser
• lateral: sideways checking