Dr. Meyer is known for his difficult pop quizzes. The students have reported that pop quizzes make them feel anxious. Typically, before he conducts a pop quiz, he shuts the classroom door. Students soon learn to anticipate a pop quiz whenever Dr. Meyer closes the classroom door. In this case, shutting the door has become a(n)

The fact that the closing of the classroom door leads to the students anticipating a pop quiz means that the shutting of the door is a conditioned stimulus.

What is a conditioned stimuli?

This is a stimuli that a subject did not originally react to but after being introduced to effects overtime, the subject begins to react to the stimuli.

The students did not react to the shutting of the door initially but after some time they reacted to it by expecting a pop quiz.

Find out more conditioned stimuli at https://brainly.com/question/24868138.

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