_____ was one of the first researchers to look at the laws involved in learning voluntary responses.

Khalila decided to try a new dish consisting of rice and tomatoes just as she was coming down with the flu. Now, every time she sees rice or tomatoes, she gets sick to her stomach. In this example, Khalila's experience of nausea at the sight of rice or tomatoes exhibits a(n)

Theo gets excited whenever he finds a quarter lying on the ground outside. While walking home from school one day, Theo noticed a shiny round object lying on the sidewalk and became very excited. He soon realized that the object was a bottle cap and his excitement quickly dissipated. Which of the following concepts is demonstrated in this example?

Shortly after eating a piece of his great aunt's famous coconut cake, which he has had many times, Amad became very nauseous. Now, whenever his great aunt offers him a piece of cake, Amad quickly declines. Which of the following concepts best explains Amad's change in behavior?

Voluntary behavior, to Skinner, was _____ behavior.

The heart of operant conditioning is the effect of _________ on behavior.

The behavior of infants and animals can be easily reinforced using

_____  reinforcement is more resistant to extinction than _____ reinforcement.

The law of effect states if an action is followed by a pleasurable consequence, the action is likely to