Where it was headquarted you ask? it was in Kamakura
A bureaucracy
ie) the civil service exams in China during period 2 or 3
The answer is life. It is because operant conditioning is used everyday on young children's life as this enables them to behave in a way their behavior is being shaped and controlled as show reinforcements such as positive or negative in terms of behavior-- this is needed, in order for a child to know where his or her behavior stands and the consequences it leads to.
During the medieval era, knights were some of the most respected people because they were the lords of the battlefield and the protectors of the land. So if you were a knight, then you were definitely a big shot. Now boys had to leave home to be trained as a knight because he had to study under a local lord and assist the local lord as a page. He had to dedicate all his time to study the basic skills that he would need in order for him to become a knight. This included combat, hunting, history, and many other things too.