I'm Uncle Dudley...

Uncle Dudley’s Concise Guide to Critical Thinking

1. Who is telling me this?

2. How does he or she know this?

3. Given #1 and #2, is it possible that he or she is wrong?

4. If the answer to #3 is “yes”, find another, unrelated source.

5. Repeat until the answer to #3 is very, very unlikely.

(Until process is complete, assume baloney)