In an Study of Chimpanzees by Boesch-Achermann and Boesch, Parents

Multiple Choice

In an study of chimpanzees by Boesch-Achermann and Boesch, parents were observed teaching their offspring how to use tools. What does this finding illustrate about observational research?

A) it can call into question previously held beliefs (i.e., that such teaching does not occur)
B) that it can be used to identify the causes of behavior
C) that when studying animals, subject reactivity is a serious problem
D) that animals can learn from humans