De Bono's Six Thinking Hats

Blue Hat Thinking

Coolness

Control

Used for making summaries,
overviews and
conclusions

Where shall we go?
Say how it is?
How did we start or begin?

Black Hat Thinking

Green Hat Thinking

Creativity

New growth -
finding alternatives

Where does this lead us?
What happens next?
What route do we take now/where do we go now?

Yellow Hat Thinking

Optimism

Positive and constructive

Values, principles,
benefits and advantages

What is good about it?
Why are you positive/glad/happy about it?
What do you think will be beneficial about it?

Red Hat Thinking

Direct opposite to Yellow Hat Thinking

Negativity and pessimism

Risks and dangers are highlighted

What will it not work?
What is wrong with it?
What are the mistakes?

Emotions and feelings

Saying how you feel regardless of fear,
dislike, suspicion or joy

How do you feel about it?
Are you happy or sad?
Are you angry?

White Hat Thinking

Purity - used to refer to pure facts, figures and information

No interpretations or opinions

Discipline and direction

What is this?
Give me the facts?
What are the exact numbers, letters and symbols