In theory about information's, this is an action that is supposed to bring forward the reaction. Generally, the less expected the action, the higher the reaction will be and provide more valuable information's.

SURPRISAL: "Example: University of Missouri has provided interesting examples of surprisal."
Cite this page: N., Sam M.S., "SURPRISAL," in, April 13, 2013, (accessed October 22, 2021).