Psychology, a field of study in which knowing why people behave the way do is an important aspect into advancing our knowledge and our understanding of humans and human behavior. In order to achieve this advance, psychologists undergo research-involving animals. You might be thinking, what things can animals do to explain why I behave the way I do, well, the answer is, a lot! Although Animals are not humans, by studying animals and animal behavior psychologist along with many other people have been able to prove time and again that animals are part of the key into clearing up the storm that is human behavior.
             Animal behavior, the way different kinds of animals behave, which has fascinated inquiring minds since at least the time of Plato and Aristotle. The things that have been particularly intriguing are the animals ability to perform complicated tasks, such as, weave a web, build a nest, sing a song, find a home, or capture food, with little or no instruction. Such behavior can be viewed from two very different perspectives. Either animals learn everything they do from "nurture", or they know what to do instinctively from nature. Neither extreme has proven to be correct. Many different people, who have had many different theories, have done research for centuries on animal behavior.
             One of the best-known theories on animal behavior is the behaviorist theory whose best-known figures are probably J. B. Watson and B. F. Skinner. "Strict behaviorists hold that all behavior, even breathing and the circulation of blood, according to Watson, is learned; they believe that animals are, in effect, born as blank slates upon which chance and experience are to write their messages". Through conditioning, they believe an animal's behavior is formed. Behaviorists recognize two sorts of conditioning, classical conditioning and operant conditioning. In the late 19th century the Russian physiologist Ivan Pavlov discovered cl
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