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“‘You would need an engineering degree from MIT to work this,’ someone once told me, shaking his head in puzzlement over his brand new digital watch. Well, I have an engineering degree from MIT. (Kenneth Olsen has two of them, and he can’t figure out a microwave oven.) Give me a few hours and I can figure out the watch. But why should it take hours? I have talked with many people who can’t use all the features of their washing machines or cameras, who can’t figure out how to work a sewing machine or a video cassette recorder, who habitually turn on the wrong stove burner.
Why do we put up with the frustrations of everyday objects, with objects that we can’t figure out how to use, with those neat plastic-wrapped packages that seem impossible to open, with doors that trap people, with washing machines and dryers that have become too confusing to use, with audio-stereo-video-cassette-recorders that claim in their advertisements to do everything, but that make it almost impossible to do anything?
The human mind is exquisitely tailored to make sense of the world. Give it the slightest clue and off it goes, providing explanation, rationalization, understanding. Consider the objects—books, radios, kitchen appliances, office machines, and light switches—that make up our everyday lives. Well-designed objects are easy to interpret and understand. They contain visible clues to their operation. Poorly designed objects can be difficult or frustrating to use. They provide no clues—or sometimes false clues. They trap the user and thwart the normal process of interpretation and understanding. Alas, poor design predominates. The result is a world filled with frustration, with objects that cannot be understood, with devices that lead to error.”
(Donald A. Norman, “The Psychopathology of Everyday Things,” Ch. 1, The Design of Everyday Things)