John Broadus Watson was a pioneering psychologist who revolutionized psychology in the early 20th century by introducing behaviorism, a scientific approach that focused on observable behaviors ...

John Watson was born in ... and comparative psychology. By then Watson had already formed ideas that would become a whole branch of psychology: behaviorism. He studied the biology, physiology ...

As a doctoral student and professor of psychology, John Watson studied the ... its principles worked for everyone. Watson's own rather extreme version of behaviorism has been refined over the ...