Four-year-old Joshua reacts with anxiety to the sound of thunder. A chair slides across the wooden floor, making a sound similar to thunder. Joshua reacts with some slight anxiety. This is an example of

The response that is given to the conditioned stimulus is not usually quite as strong as the original unconditioned response

After a lengthy period during which the unconditioned stimulus was not applied, Pavlov's dogs stopped responding to the metronome. If a weaker conditioned response to the metronome occurred at some point after this, it would be a demonstration of

Pavlov's dogs exhibited stimulus discrimination when they

The term extinction may be misleading, because

Whenever you take a shower in your bathroom at home, the water in the shower turns icy cold just as the toilet in another bathroom is flushed, causing you to cringe. After several such experiences, you find that you tend to cringe whenever you hear a toilet flush, even when you are not in the shower. In this example of classical conditioning, what is the unconditioned stimulus?

At the end of the first day of kindergarten and the entire week thereafter, Jeremiah's teacher exclaimed, 'You may all leave' just after the sounding of a loud bell. On the first day of the second week of school, Jeremiah immediately left the room just as the school bell rang, without any notice from his teacher. In this example, what is the conditioned response?

Dr. Rubio is conducting an experiment in classical conditioning. Shortly after playing music, she places a loaf of bread on the window sill outside her office window. After doing this a number of times, she notices that now, just as she begins to play her music, several birds fly to her window even before she presents the bread. In this example, what is the conditioned stimulus?

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)