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. Natural control mapping
The Design of Everyday Things: Revised and Expanded Edition
from Don Norman 📕
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