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DIGITAL USER EXPERIENCE: LESSONS FROM EVERYDAY OBJECTSChoo Zhi Min, Instructor, Institute of Systems Science, NUSzhimin@nus.edu.sg

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Coffee Maker or DVD Player?

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Everything Things

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• 23,000 objects catalogued in "What's What: A Visual Glossary of the Physical World"

• Let's say it takes one minute to learn each object.

• It will take 23,000 minutes = 383 hours = 8.7 work weeks

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How do people cope?

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• Human mind is wired to make sense of the world.

• Information from the appearance of the objects.

• The ability of designer to make the operation and the object appearance clear, and to take advantage of the knowledge of how human mind works.

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Affordance

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• The visual appearance of an object that gives clues about how the object could be possibly used.

• Plate is for pushing• Slot is for inserting things into• Knob is for turning• Ball is for throwing or bouncing• Button is for pressing• Switch is for flipping

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Four types of Affordance

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1. Physical2. Language3. Pattern4. Symbolic/Iconic

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Four types of Affordance

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1. Physical2. Language3. Pattern4. Symbolic/Iconic

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Four types of Affordance

1. Physical Affordance• Affordance based on the object’s physical

appearance• Shape, size, structure

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Four types of Affordance

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Four types of Affordance

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Four types of Affordance

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Four types of Affordance

Buttons: Physical Affordance in Digital World

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Four types of Affordance

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Four types of Affordance

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Any button?

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Four types of Affordance

2. Language Affordance• Straightforward affordance based on words• Inline textbox labels

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Four types of Affordance

3. Pattern Affordance• Common web/mobile conventions that most users

are able to recognize and understand.• Navigation menu and breadcrumbs• Links• Downward or Right arrow next to word

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Four types of Affordance

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Four types of Affordance

4. Symbolic Affordance• Use symbols or icons to communicate affordance.• Usually icons of real-life, physical objects or

commonly known symbols to quickly tell users what they can do.

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Four types of Affordance

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A Short Exercise

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A Short Exercise

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A Short Exercise

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Food for Thought

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THANK YOU Choo Zhi Min

zhimin@nus.edu.sg Follow me: @choozmFollow ISS: @ISSNUS

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