Final answer:
Playing slots at a casino uses a variable ratio reinforcement schedule, known for its effectiveness in maintaining behaviors due to the unpredictability of rewards, causing high levels of engagement and resistance to extinction.
Step-by-step explanation:
Playing the slots at a casino operates on a variable ratio reinforcement schedule. In this type of schedule, the number of responses needed for a reward varies, which is why it is so powerful in maintaining behavior, even when reinforcements are infrequent. The unpredictability of winning ensnares players into continuing to gamble because the timing of the next reward remains unknown. This form of intermittent reinforcement leads to a high level of response and is exceedingly resistant to extinction, making activities like gambling incredibly addictive.