Check it out!
http://www.youtube.com/watch?v=ZfliSH-0FcU
It's too complicated for the general public. For example, quantitative regularity doesn't mean anything to most people. Some illustrative and funny examples would also help.
Well it isn't supposed to be for the lay man, it is afterall a video about methodology. You don't think it's funny how it pokes fun at econometrics?