The psychopathology of everyday things!
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Transcript of The psychopathology of everyday things!
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Human Computer Interaction
Chapter-1The Psychopathology of
Everyday Things
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Good Design
“Well designed objects are easy to understand. They contain visible clues to their operation.”
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Bad Design
“Poorly designed objects are not that easy to understand. They doesn't contain visible clues to their operation.”
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Bad Design(Cont.)
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Important Principles of Design
“Visibility”“Mappings”
“Appropriate Clues”“Feedbacks”
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Case Study-1
“Slide Projector With Single Button”
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Case Study-2
“A telephone that hasn't a hold function visible”
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Principles of Design
Why?
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Principles of Design(Cont.)
Understandability Use+Ability
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Principles of Design(Cont.)
Conceptual Model
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Principles of Design(Cont.)Conceptual Model
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Principles of Design(Cont.)
Conceptual Model
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Principles of Design(Cont.)
Visibility
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Principles of Design(Cont.)Visibility
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Principles of Design(Cont.)
Mappings
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Principles of Design(Cont.)Mappings
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Principles of Design(Cont.)Affordance
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Principles of Design(Cont.)
Feedback
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Chapter-7User Centered Design
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User Centered Design(Cont.)
Knowledge in the World Knowledge in Head
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User Centered Design(Cont.)
Three Conceptual Design Design Model In Designer's Mind
User Model How User Learn to operate
Systems Image
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User Centered Design(Cont.)
Simplify The Task's Structure How?
Provide Mental Aids Visibilities Feedbacks Ability to Keep in Control
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User Centered Design(Cont.) Fully automated is good? Yes?
I don't have to do anything? No?
Thing can go “wrong” Out of control
Not Fully Yet? Ability to “Control”
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User Centered Design(Cont.) Complex Task? How to learn that easily?
?
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User Centered Design(Cont.) Complex Task? How to learn that easily?
Break down the task Change the nature of the partial task to shift to next task easily
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User Centered Design(Cont.) Dream for error!!!! Design to solve your Dream Errors
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User Centered Design(Cont.) All are in control?
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User Centered Design(Cont.) All are fine? Ready to go?
●Standardize!!!!! How Soon? Any constraints?
Possibly Yes Cultural? Mentality?
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Thank You