An experimenter finds that a certain male subject always has an increased heartbeat when he hears a certain piece of music. the experimenter sounds a buzzer and then plays the piece of music. the experimenter repeats this procedure until the man responds with an increased heartbeat to the sound of the buzzer alone. in this situation, the unconditioned response is

Increased heartbeat

Explanation:

From the perspective of classical conditioning, the unconditioned response or reaction is an unlearned reaction that happens normally in response to the unconditioned stimulus.

For instance, if the smell of nourishment is the unconditioned improvement, the sentiment of appetite because of the smell of nourishment is the unconditioned reaction.

Similarly, In the experiment, the male subject's heart beat increases as a response to the specific piece of music, is an unconditioned response.

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when comparing the cases, what similarities are there in the cases that suggest one person committed these murders?