Which is the most likely source of this passage?

Psychology is the scientific study of behavior and the mind. If you dissect this definition, you鈥檒l see that it contains three elements. First psychology is a scientific enterprise. At an intuitive level, everyone is a psychologist鈥攜ou, me, the bartender who listens to one drunken sob story after another, and the novelist who paints exquisite verbal portraits of fictional characters. Unlike those who rely on their personal experience, however, psychologists employ systematic objective methods of observation.



鈥?adapted from Saul Kassin, Psychology (3rd ed). Upper Saddle River, NJ: Prentice Hall, p. 4.



a)a web site about how to care for your heart



b)a textbook



c)a letter to a friend



d)a romance novelWhich is the most likely source of this passage?
"Psychology is the scientific study of behavior and the mind. If you dissect this definition, you鈥檒l see that it contains three elements. First psychology is a scientific enterprise. At an intuitive level, everyone is a psychologist鈥攜ou, me, the bartender who listens to one drunken sob story after another, and the novelist who paints exquisite verbal portraits of fictional characters. Unlike those who rely on their personal experience, however, psychologists employ systematic objective methods of observation." ~ Saul Kassin, Psychology, Prentice Hall, 1998, p.5



He wrote this quote a lot in almost all of the books he had published, i.e., in Essentials in Psychology (Prentice Hall, 2003, p.4), and Kassin in Modules (Prentice Hall, 2005, p.5).