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Lateral thinking is solving problems through an indirect and creative approach, using reasoning that is not immediately obvious and involving ideas that may not be obtainable by using only traditional step-by-step logic. The term was coined in 1967 by Edward de Bono. According to de Bono, lateral thinking deliberately distances itself from standard perceptions of creativity as either "vertical" logic (the classic method for problem solving: working out the solution step-by-step from the given data) or "horizontal" imagination (having many ideas but being unconcerned with the detailed implementation of them). == Methods == Critical thinking is primarily concerned with judging the true value of statements and seeking errors. Lateral thinking is more concerned with the "movement value" of statements and ideas. A person uses lateral thinking to move from one known idea to creating new ideas. Edward de Bono defines four types of thinking tools: # idea-generating tools intended to break current thinking patterns—routine patterns, the status quo # focus tools intended to broaden where to search for new ideas # harvest tools intended to ensure more value is received from idea generating output # treatment tools that promote consideration of real-world constraints, resources, and support〔''Lateral Thinking: The Power of Provocation'' manual: Published in 2006 by de Bono Thinking Systems〕 * Random Entry Idea Generating Tool: The thinker chooses an object at random, or a noun from a dictionary, and associates it with the area they are thinking about. * Provocation Idea Generating Tool: The use of any of the provocation techniques—wishful thinking, exaggeration, reversal, escape, distortion, or arising. The thinker creates a list of provocations and then uses the most outlandish ones to move their thinking forward to new ideas. * Movement Techniques: The thinker develops provocation operations by the following methods: extract a principle, focus on the difference, moment to moment, positive aspects, special circumstances. * Challenge Idea Generating Tool: A tool which is designed to ask the question "Why?" in a non-threatening way: why something exists, why it is done the way it is. The result is a very clear understanding of "Why?" which naturally leads to fresh new ideas. The goal is to be able to challenge anything at all, not just items which are problems. For example, one could challenge the handles on coffee cups. The reason for the handle seems to be that the cup is often too hot to hold directly. Perhaps coffee cups could be made with insulated finger grips, or there could be separate coffee-cup holders similar to beer holders. * Concept Fan Idea Generating Tool: Ideas carry out concepts. This tool systematically expands the range and number of concepts in order to end up with a very broad range of ideas to consider. * Disproving: Based on the idea that the majority is always wrong (as suggested by Henrik Ibsen〔 In ''An Enemy of the People'', 1882. 〕 and by John Kenneth Galbraith), take anything that is obvious and generally accepted as "goes without saying", question it, take an opposite view, and try to convincingly disprove it. This technique is similar to de Bono's "Black Hat" of ''Six Thinking Hats'', which looks at the ways in which something will not work. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「lateral thinking」の詳細全文を読む スポンサード リンク
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