Manual instructions in product design are often used to guide the user on how to use the product. However, for simple designs, such as a door or a kettle, manual instructions should not be necessary. A good design should be intuitive and indicate the action by itself. If a simple product requires complex instructions, it indicates a failure in the design.
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How do designers improve their products to work around flaws in human logic? In The Design of Everyday Things, Don Norman teaches the top frameworks b...
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For simple designs, like those for a door or kettle, manual instructions to "push" or "pull" should not be necessary. Good design should indicate action by itself. Make a pillar visible so that it's clear which side of a door is attached to a hinge. When simple things are overly complex, Norman writes, "the whole purpose of the design is lost."