Efforts to teach chimpanzees to talk probably failed because_________.
A) the researchers did not use the proper reinforcement procedures
B) chimps have their own language which they would not give up
C) the researchers did not begin instruction when the chimps were very young
D) chimps lack the biological structures for speech

Question

Quizplus · Accepted Answer

The failure to teach chimpanzees to talk is most likely due to the fact that they lack the biological structures necessary for speech, such as a human-like vocal tract and control over the larynx. A, B, and C may have contributed to the failure as well, but the primary reason is their biological limitations.

Efforts to Teach Chimpanzees to Talk Probably Failed Because_________