Which pairing is least common to co-morbid disorders?

The National Survey on Drug Use and Health revealed that current alcohol, marijuana, and cocaine use

A. is at the same level compared to 1980. B. is higher compared to 1980. C. is lower compared to 1992. D. hasn't changed much in the past 15 years.

Jonas works for the local charity

His job is to raise as much money as he can by calling people on the phone and telling them about the charity. Jonas is also a psychology student and has just learned of the compliance techniques that could help him raise more money for his charity. He decides to call and ask for just $5. When the person agrees, he tells of all of the work the charity does and how the charity is run mostly by donations from others. After that, he asks that the person give $15 as opposed to $5. He is delighted when many of the folks agree to the larger amount. Jonas is using _____ a) the social norms technique. b) the low-ball technique. c) the door-in-the-face technique. d) the foot-in-the-door technique.