Psychologists working with chimpanzees have been __________ to teach them how to speak and __________ to teach them how to use sign language.

Question

Quizplus · Accepted Answer

Psychologists have been unable to teach chimpanzees how to speak due to the physical limitations of the chimpanzees' vocal apparatus, but they have been able to teach them how to use sign language, leveraging their ability to communicate through gestures.

Psychologists Working with Chimpanzees Have Been __________ to Teach Them