Tamara normally feeds her cat canned cat food. She noticed that every time she uses her electric can opener, her cat comes to the kitchen. What is the conditioned stimulus?

the cat coming to the kitchen

Explanation:

The term conditioned stimulus is a part of the classical conditioning theory which was developed by Ivan Pavlov while researching on dogs.

Conditioned stimulus: In psychology, the term conditioned stimulus is one of the main condition involved in the process of classical conditioning and is described as a formerly neutral stimulus that is responsible for triggering a conditioned response after getting associated with an unconditioned stimulus.

In the question above, the conditioned stimulus is "the cat coming to the kitchen".