Which of the Following Is an Example of Classical Conditioning

Multiple Choice

Which of the following is an example of classical conditioning?

A) A student being punctual because he has been praised before for his punctuality
B) An infant throwing tantrums as this helps her get her parents' attention
C) A dog learning to perform some tricks in order to get food from its master
D)  rat learning to jump in response to a clap that was previously accompanied by a shock