The three pathways to addiction listed in your text include: prodromal experimentation, active use, and addiction /dependence

In dim light, the pupil of the eye is

a. dilated, producing a sharper image. b. constricted, producing a sharper image. c. constricted, producing an image that is not as sharp. d. dilated, producing an image that is not as sharp.

Barry throws the football into the stands after scoring a touchdown, and is cheered by the fans. As a result, Barry is more likely to throw the ball into the stands whenever he scores a touchdown. This is an example of:

a. negative reinforcement b. positive reinforcement c. punishment d. satiation