SuperadditiveSparks

Confident claims go unchecked

Start here

Think in probabilities; say the number

Replace "I'm sure" with a number, which is more honest and shows where to go find more information.

Try this first

Ask how confident, as a rough percentage.

Borrowed from former professional poker player Annie Duke, in her book Thinking in Bets. Read the original source.

Other moves for this problem (18 of 18)

Kind of change