Edward de Bono describes a tool for group discussion. What system de Bono proposed?

Six Thinking Hats is a system designed by Edward de Bono which describes a tool for group discussion and individual thinking involving six colored hats. "Six Thinking Hats". Six directions are identified and assigned a colour as: Managing Blue – what is the subject? what are we thinking about? what is the goal? Can look at the big picture. Information White – considering purely what information is available, what are the facts? Emotions Red – Intuitive or instinctive gut reactions or statements of emotional feeling Discernment Black – logic applied to identifying reasons to be cautious and conservative. Practical, realistic. Optimistic response Yellow – logic applied to identifying benefits, seeking harmony. Sees the brighter, sunny side of situations. Creativity Green – statements of provocation and investigation, seeing where a thought goes. Thinks creatively, outside the box.