Vertical thinking �ª

Lateral thinking �¨

Looking for the right approach

Looking for as many approaches as possible

Rightness

Richness

Proceeds if there is a direction

Proceeds to generate direction

Is analytical

Is provocative

Is sequential

Can make jumps

One must be correct at every step

One does not have to be correct at every step

Uses negative to block off certain pathways

There is no negative

Excludes what is irrelevant

Welcomes chance intrusions

Fixed categories/labels

Labels may change

Explores most likely paths

Explores least likely paths

Is a finite process

Is a probabilistic process

Color

function

Points out:

White hat

Neutral and objective

Objective facts and figures

Green hat

Creativity and new ideas

fertile growth

Yellow hat

Sunny and positive

Optimism, hope

Blue hat

Control and organization

Organization, use other hats

Red hat

Emotional view

Anger, emotions

Black hat

Cautious and careful

Weaknesses