What's Your Five?

In another class of mine I'm currently taking, my professor gave out a take-home test to be returned earlier today. It wasn't for a grade and, more than anything, this was an opportunity to prove a point postulated just a few decades ago.

Psychology and personality go together like peanut butter and jelly. Psychology is literally the study of the mind, and personality is the inner character that drives people to do what they do. It's difficult, if not impossible, to isolate the two without acknowledging that both play a role in each other's development of the self. But because much of the science of psychology is subjectively theorized, the chance of accurately predicting one's personality was once thought of as slim to none.

Then along came Robert McCrae and Paul Costa Jr.