This article is a decade old, but still worthwhile.
http://content.time.com/time/magazine/article/0,9171,1053663-1,00.html
And so most passengers are indeed goats. Should the worst occur, says McLean, "people don't have a clue. They want you to come by and say, Okay, hon, it's time to go. Plane's on fire."
In an emergency, about 15% act in a calm and considered fashion, about 15% panic … and the rest tend to freeze.
Assuming you'll be in that first 15%, without planning for it, isn't a wise gamble.

