You may not see it every day or every week, but that overall correlation will continue in our opinion, especially if you get closer to a mania.

FORBES: Casey Research's Clark: Time Ripe For 'Overweight' Positioning In Gold, Silver

The overall correlation we arrived at between pay level and job satisfaction was just .15. (For comparison, the correlation between typical human height and weight is .44, and the correlation between IQ scores in identical twins is .86.) This suggests that within an organization, those who make more money are barely more satisfied than those who make much less.

FORBES: Will A Raise Make You Like Your Job Better? Maybe Not

It is hard to find a clear correlation between overall aid flows on the one hand, and economic growth or reductions in poverty on the other.

ECONOMIST: Untangling the aid debate

True, it is hard to find a clear correlation between overall aid flows on the one hand, and economic growth or reductions in poverty on the other.

ECONOMIST: A fresh start | The

Click here for more on the overall country scores and their correlation with the Forbes Global 2000.

FORBES: The Cost Of Corruption

What you end up with is a fund that has very low correlation to the overall market.

FORBES: 7 Market-Neutral ETFs

The Madoff approach had virtually no correlation with the performance of the overall stockmarket.

ECONOMIST: A handful of outsiders come out of the crisis in credit