Operant chamber: In psychology, the operant chamber was developed by one of the most influential psychologists and behaviorists named B. F. Skinner in order to abet with the "laboratory analysis" of specific animal behaviors.
An operant chamber is considered as a box that significantly holds or carries out an animal (rat or mouse), test subjects and is generally light and sound proof in order to restrict different responses from unexpected stimuli.
In the question above, the researchers are most clearly using an operant chamber to study learning.
The answer is: Congress votes down a law providing a loan to a failing car manufacturer. laissez-faire approach referst to government approach to leave the private sector alone and let the market direct the growth of the economy.
