Results from Studies in Which Researchers Have Attempted to Teach

Multiple Choice

Results from studies in which researchers have attempted to teach chimpanzees to use non-verbal language (i.e.,sign language or communication boards) indicate that

A) chimpanzees are incapable of acquiring non-verbal communication.
B) some chimpanzees have appeared to learn many words, and have combined words in appropriate ways.
C) chimpanzees are capable of learning language to a level equivalent to that seen in 10-year-old children.
D) chimpanzees can use non-verbal methods to communicate with other chimps, but not with humans.