BBC Special Correspondent Katty Kay and best-selling author Gretchen Rubin discuss her new book, Secrets of Adulthood, and ...

This essay on the "Piece of Cake Heuristic" does not appear in the book, but it is closely related to the "fluency heuristic"--discussed in detail in Chapter 4.

This phenomenon is known as the “familiarity effect” or “fluency heuristic” and has been documented by a relatively ample body of research. Last year, a psychologist at Vanderbilt found th ...