1. Grabs onto a few pieces of evidence and defends them inflexibly.

1. Checks the evidence carefully and doesn’t rely on uncertain evidence

2. Seemingly irrationally seizes onto something and won’t let go.

2. Doesn’t care which evidence he must let go.

3. Invokes complex, unrealistic scenarios controlled by powerful forces behind the scenes.

4. Deals in explanations that can never be critically assessed (unfalsifiable theories).

4. Accepts only what he can critically assess (falsifiable ideas).

5. Is willing to live with unresolved explanations for long periods.

6. Invents scenarios when nothing ever goes wrong.

6. Accepts the roles of chance and human foibles.

7. Uses same rational approach in the rest of his life.