design-of-everyday-things

design-of-everyday-things - The Design of Everyday Things...

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Unformatted text preview: The Design of Everyday Things How Donald Norman has influenced modern UX/UI Meet Donald 75/M/USA About Donald • Cognitive Science & Usability Engineering • Nielson Norman Group • Responsible for a lot of modern UX vocabulary TED Talk: http://www.ted.com/talks/don_norman_on_design_and_emotion.html The Challenge How do you make them understand? Affordances • Perception of an object/system • Signal purpose before interaction No signs required This could have been avoided False Affordances Liar! How not to cross the street Reality “More than 2,500 of the 3,250 walk buttons that still exist function essentially as mechanical placebos, city figures show. Any benefit from them is only imagined. For Exercise in New York Futility, Push Button New York Times (2004) What am I? Natural Mapping Use what you know Natural Mapping • “...taking advantage of physical analogies or cultural standards...” • Boosts understanding Both of these existed before the Internet How can this be mapped better? Press start to end everything. Drag files to trash to eject Feedback What just happened? Different states for each action Constraints Preventing errors to begin with Constraints • Make error interactions impossible • “You must be logged in to do that” Doesn’t topple over Project #1 • Observe a door • How do people interact with it • Bonus round: Plant a fake sign Questions? ...
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design-of-everyday-things - The Design of Everyday Things...

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