Note on The Design of Everyday Things via Don Norman

Here are three levels of mapping, arranged in decreasing effectiveness as memory aids:

• Best mapping: Controls are mounted directly on the item to be controlled.

• Second-best mapping: Controls are as close as possible to the object to be controlled.

• Third-best mapping: Controls are arranged in the same spatial configuration as the objects to be controlled.

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FROM:

Don Norman

The Design of Everyday Things

Natural control mapping