In the work to teach language to great apes, teaching sign language has
A) been more successful than efforts to teach spoken language.
B) been about as successful as efforts to teach spoken language.
C) been less successful than efforts to teach spoken language.
D) not been successful at all.

Question

Quizplus · Accepted Answer

Multiple studies have shown that apes, such as Koko the gorilla and Washoe the chimpanzee, have been able to learn and use sign language to communicate with humans. However, efforts to teach them spoken language have been far less successful, likely due to physiological differences in their vocal cords and mouth structure.

In the Work to Teach Language to Great Apes, Teaching