Investigations of Animal Behaviours Indicate That

Multiple Choice

Investigations of animal behaviours indicate that:

A) monkeys have a rudimentary sense of number and can use numerals to label simple sums.
B) animals do not use forms of sign language spontaneously.
C) the actions of animals can be explained by instinct and by principles of operant conditioning.
D) when language training procedures became objective, apes could not use symbols to refer to objects.