First the noon sight. Then the course.
How much of what reaches you has come loose from what happened. Read on its own, never folded into a person’s score.
How sure you are, against how often you are right. Scored so that the best you can do is say exactly how sure you are.
Checking in proportion to the stakes: by another route, back to the source, or with a question only the real sender can answer.
Taking the judgments that matter to a live person you know and trust, before you act on them.