Reinforcement is the process by which a stimulus or event weakens or reduces the probability of the response that precedes it

Jack and Jill are siblings being raised in a very active household. The family attends many sporting events and participates in a wide range of athletic activities. Which of the following would be the BEST example of a nonshared environment?

A) When they were toddlers, the family went on a five-day backpacking trip to Yellowstone. B) Their parents enforce a strict, daily regimen of at least thirty minutes of vigorous exercise. C) Their financial status allows the family to travel to upscale events, such as the Indianapolis 500 and the running of the bulls in Pamplona. D) Jack, a Special Olympian with Down syndrome, needs certain accommodations to participate in family sporting activities.

The major problem with drug treatments involving disulfiram, naltrexone, or methadone is

that ______. a. they cannot be given to patients for long periods of time b. they only work on about half the patients to whom they are given c. they produce tolerance to an even greater degree than some of the substances they are attempting to replace d. patients can choose not to use them as required, rendering them useless