Comment: The point of observational studies is to discover possible clues

(See in situ)

In reply to comment: Any observation here is (see in situ)

The point of observational studies is to discover possible clues

When doing a differential diagnoses a doctor can safely rule out teething as a cause of fever if the patient is 84 years old.

Occom Razor slices off everything superfluous hopefully leaving cause for sound judgments.

Daily Paul has the finest team of razors ever assembled. Rarely right perhaps, but that's a lofty goal.

Free includes debt-free!