<span>Russian physiologist Ivan Pavlov originated the study of classical conditioning while studying the salivation of dogs and finding that they would begin salivating even when they were not supposed to. Pavlov's classic experiment consisted of his paring of the ticking sound of a metronome with the presentation of food to see if the dogs would eventually salivate to just the sound of the ticking metronome.
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I agree because if no one had a reason as to why they did the idea, how would we have known how to do it ourselves.
The correct answer is "prediction models". Political scientists have developed prediction models that help to clear doubts about the veracity of the presidential elections. This tool takes into account economic and sociological factors as well as public opinions to predict who is the winner in upcoming presidential elections.
Answer:
psychologically; drug withdrawal
Explanation:
Drug withdrawal, according to psychological texts is defined as the beginning of symptoms, both mental and physical effects in the brain, when a material or substance is not given or reduced to the body. Thus, addiction is both physical and psychological.
Withdrawal symptoms include sweating, vomiting, fatigue, headaches, and anxiety, etc.
Arianna is also affected both psychologically and physically. The tendency to be dependent on the coffee is physical symptoms whereas feeling fatigued, and shakiness is psychological.