A Failing Economy...And Fewer Shark Attacks?

Savvy psychology students know that correlation does not equal causation. Here's more proof if you need it.

In a perfect example of how a "hidden third factor" can explain both variables in a correlation, shark attacks have apparently decreased with the declining U.S. economy. Is is because sharks pay attention to the Dow Jones Industrial average? No. Nor do they have more pity on penniless surfers.

Follow the link to find out why Shark Attacks Decline: Ailing Economy to Blame