Final answer:
The operant conditioning chamber, commonly known as a Skinner box, was developed by B. F. Skinner for studying the principles of operant conditioning.
Step-by-step explanation:
The operant conditioning chamber, also known as a Skinner box, is a device used to study the principles of operant conditioning. It was developed by B. F. Skinner, an American psychologist. The Skinner box isolates the subject from the external environment and contains a behavior indicator, such as a lever or a button, that can deliver a positive reinforcement or a punishment based on the subject's behavior.