What nickname is commonly used for an operant conditioning chamber?

What nickname is commonly used for an operant conditioning chamber? Skinner box.

A Skinner box is the common nickname for an operant conditioning chamber, a controlled apparatus used to study how behavior changes when followed by consequences. A typical chamber contains a lever or key, a device that delivers food or another reward, and sometimes lights, tones, or other stimuli.

The animal learns that a particular response—such as pressing a lever—produces a consequence. Researchers can then vary reinforcement schedules, punishment, stimulus conditions, or the availability of rewards. B. F. Skinner used such chambers in influential studies with rats and pigeons, helping develop the modern analysis of operant conditioning.

The name can be misleading. Skinner did not necessarily prefer the eponym and reportedly favored terms such as “lever box.” The apparatus also was not invented from nothing: it developed partly from Edward Thorndike’s earlier puzzle box, which examined cats’ escape learning.

A Skinner box is not the same as a puzzle box or a T-maze. A puzzle box focuses on escaping through a particular action, while an operant chamber is designed to measure responses and their consequences under tightly controlled conditions.