models can be very useful in helping to visualize something or observe how something functions. It can help develop a deeper understanding of a subject or help with making predictions based off that model.
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Answer: Wilhelm Wundt
Explanation:
Wilhelm Wundt The late 19th century marked the start of psychology as a scientific enterprise. Psychology as a self-conscious field of experimental study began in 1879, when German scientist Wilhelm Wundt founded the first laboratory dedicated exclusively to psychological research in Leipzig.
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Circulatory is the body system