Skinner box

~noun

Entry: a soundproof, light-resistant box or cage used in laboratories to isolate an animal for experiments in operant conditioning and usually containing only a bar or lever to be pressed by the animal to gain a reward, such as food, or to avoid a painful stimulus, such as a shock.

Etymology: Named after American psychologist Burrhus F. Skinner (d. 1990).

@ Milton-Kindersley Advanced Dictionary