K is for Key Cards

Key Cards: Cards that are used in a card-guessing experiment. Participants of this experiment try to guess of five symbols from a deck of cards that are shuffled and presented randomly. 
If you saw the movie Ghostbusters, at the beginning Bill Murray is conducting just such an experiment with hilarious consequences. 
Wednesday: M is for Movies is my favorite post. Stop by and let us know what your favorite supernatural or paranormal movies are. 
K is for Karma: I'm also posting...