Correlation has a devastating effect on our portfolios.

FORBES: How The Correlation Bubble Hurts Us All

Correlation is not cause and effect.

FORBES: Is Yale a Waste of Money?

The monies spent by the government on anything (whether sensible or not), or by citizens and companies to conform to government regulations and policies, exert an income effect that reflects the direct correlation between wealth and health.

FORBES: Magazine Article

At best, it signals broad trends or prompts action if there is a proven or at least a strong correlation between the drug and a suspected side effect.

FORBES: The Data On Drugs' Side Effects Must Be Reliable

From the use of surrogate endpoints (based on biological plausibility and the results of preclinical studies) to the distinction between correlation and causation, confounding (whether the effect size is too large to be explained away by confounding), and the hypothesis-generating nature of the inferential process.

FORBES: Chocolate And Nobel Prizes Linked In Study

This was an observational study of roughly 16, 000 women, so it was not able to establish a cause and effect relationship between taking the supplements and death, but the correlation was significant.

FORBES: Vitamins: Good for You, Bad for You, or What?

While the study did indeed identify a striking correlation, researchers were unclear what actually drove this cause-and-effect relationship, with skeptics pointing out that a number of factors may have caused this link which were uncontrolled for in the study.

FORBES: My Name is Moira Forbes And I Drink Diet Coke