In Pavlov's original experiment, the bell began as a(n) neutral stimulus and by the end became a(n)s; conditioned stimulus.
Bell ringing was first used by Pavlov as a neutral stimulus. A stimulus that triggers an instinctive response is known as an unconditioned stimulus. Food served as the unconditioned stimulus in Pavlov's experiment. A reflexive response to stimuli is referred to as an unconditioned response. In his experiment, the dogs would slobber in response to food, but after numerous presentations of the food combined with the sound of a bell, the dogs would start to slobber in response to the sound alone. The bell's tone served as the conditioned stimulus in this instance.
A neutral stimulus is one that first causes only the attention to be focused, not any particular response. In classical conditioning, the neutral stimulus transforms into a conditioned stimulus when combined with an unconditioned stimulus.
To know more about conditioned stimulus refer to: brainly.com/question/18080270
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Answer:
Immigration
Explanation:
In that decade alone, some 600,000 Italians migrated to America, and by 1920 more than 4 million had entered the United States
The answer is all of the above
<span>In cases of obsessive-compulsive disorder (OCD), compulsions frequently accompany obsessions and appear to serve the function of reducing the anxiety created by such disturbing thoughts.
Compulsions are repetitive physical actions or behavior that are repeatedly performed in order to lessen the stress caused by anxiety from obsessions.</span>
