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The Design of Everyday Things
Psychopathology of Everyday Things
User-Centered Design
Why someone should read this book?
Psychopathology of Everyday Things
The design of everyday things
The design of everyday things
Ha ha ha . . . It’s not me!
Norman’s two principles of designing for people
1. Make things visible
2. Good conceptual model
Make things visible
Sliding glass door
How to open it?
Good conceptual model
1. Affordance
2. Mapping
3. Constraints
4. Feedback
Affordance
Provide us clues on how to operate a device
Horizontal bar for pushing
Vertical bar for pulling
Mapping
Relationship between two things
Left one for keyboard and right one for mouse
Stove
Constraints
It limit the ways in which something can be used
Left side door
Right side door
Feedback
Send information back to the user about
what action has actually been done
A pencil leaves mark which is feedback
User-Centered Design
• It’s a philosophy that things should be
designed with the needs and interests of
the user in mind
• Making products easy to use
• User interface design
• How design should make
• Figure out what to do and tell what is going
on
Four essential activities in a user-centered design project
Disadvantages
• It is more costly and takes more time
• May be difficult to translate some type of data into design
The design of everyday things

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The design of everyday things