What did John B Watson discover?
John B. Watson was a research psychologist in the early 20th century. Revolutionary for the time, Watson theorized and wrote about behavioral psychology, which emphasizes psychological development by interaction to the environment rather than instinct or genetic predisposition.Source:Bryn Mawr College: John Broadus Watson and Psychology from the Standpoint of a BehavioristMore Information:”Psychology from the Standpoint of a Behaviorist”; John B. Watson; 1919.