Originated by Edward de Bono (CoRT Thinking Lessons, 1973).
Lists the pluses, minuses, and merely interesting points of an option, each in a short timed burst, before anyone passes judgment on it.
When to reach for it
Snap verdicts are forming about a proposal, and a few minutes of deliberate scanning would show what the first reaction missed.
How it runs
- State the option.
- List pluses for two minutes.
- List minuses for two minutes.
- List interesting points that are neither good nor bad.
- Revisit the first reaction in light of all three lists.
Where it sits in SOLVE eX
Go to the source
- CoRT Thinking Lessons, CoRT 1: Breadth, Direct Education Services, 1973