Other questions in this quiz

2. How many signs could Washoe do at 21 months?

  • 30
  • 28
  • 32

3. How many words met the criteria set by Gardner and Gardner?

  • 34
  • 30
  • 32

4. How many signs could Washoe do by seven months

  • 4
  • 6
  • 8

5. How many signs could Washoe do at 14 months?

  • 13
  • 15
  • 17

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