Demographic traits and audience-specific attributes can affect how listeners react to you and to your message

Who rediscovered moveable type in the 15th century?

a) Gutenberg b) The Chinese c) Martin Luther d) The Sumerians

A vignette:

a. Has a celebrity in a staring role b. Features a day in the life of an average person c. Features several brief episodes threaded together d. Tells a story with a beginning, middle and end