This experiment was the stepping-stone for most behaviorist psychology. It was really one of the first physical things you could actually see. It would allow experiments to be done to study just how organisms respond to environmental stimuli. And that is just what happened. Several people, including Pavlov, began studying the ideas of behaviorism. Pavlov continued to expand on his ideas of conditioning.
This idea was strongly used in Brave New World. The main point in the book