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John B. Watson

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John B. Watson was a famous American psychologist who changed how we study living things. He is best known for starting a school of thought called behaviorism. This idea says that psychology should be a hard science. Instead of looking at hidden thoughts, he focused on what we can actually see. He wanted to predict and control how things act. This new way of thinking helped make psychology a more respected field of study.

Watson's way of working was very specific. He believed that scientists should not try to study consciousness. Consciousness is the internal feeling of being aware. He thought this was too hard to measure. Instead, he looked at external behavior. This means he watched how people and animals react to the world around them. He used these observations to understand how things learn. He even studied how rats use their senses to run through mazes.

Watson had a very interesting life and education. He was born on January 9, 1878, in Travelers Rest, South Carolina. He was not always a great student in high school. However, he worked hard and earned a master's degree at age 21. He later went to the University of Chicago. There, he studied under famous teachers like John Dewey. In 1903, he earned his PhD with a paper about how rats learn.

His career had many big moments and some hard times. In 1913, he wrote a famous paper called "Psychology as the Behaviorist Views It." This paper explained his new ideas to the world. He later became the head of the psychology department at Johns Hopkins University. In 1920, he had to leave his job there after some personal news became public. He eventually married Rosalie Rayner and had two sons. In 1957, he was given a Gold Medal by the American Psychological Association.

We can see Watson's influence in many places today. His ideas about how people react to things helped create modern advertising. Companies use his theories to understand how to get people to buy products. His work on how animals learn also helps us understand all living things. Even though some of his experiments were controversial, he was very important. He was ranked as the 17th most cited psychologist of the 20th century. He lived a long life and died in 1958 at age 80.

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