Certain regional stereotypes have long since become cliches: The stressed-out New Yorker. The laid-back Californian.

But the conscientious Floridian? The neurotic Kentuckian?

You bet — at least, according to new research on the geography of personality. Based on more than 600,000 questionnaires and published in the journal Perspectives on Psychological Science, the study maps regional clusters of personality traits, then overlays state-by-state data on crime, health and economic development in search of correlations.

click here to continue reading and go to the interactive map