Lydia is a divorced mother who attends meetings with peers who share the same problems and stressful situations. There is no professional facilitating these meetings. What type of sessions is Lydia attending?

Cirrhosis of the liver can result from drinking alcohol

A. within a few weeks. B. in small amounts over several years. C. containing higher amounts of congeners. D. in large amounts (a pint of whiskey a day) for ten years or more.

A budding author wishes to improve her typing, which leaves much to be desired in speed and accuracy. In the following program that she sets up for herself, which is the contingent reinforcer?

a. keeping a careful record of her current rates of speed and accuracy b. practicing her typing at frequent intervals c. watching her favorite TV program whenever she improves either in her speed or her accuracy by a certain amount d. making sure that there are no distractions around when she is typing