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What are the psychological aspects of our everyday things? How we can make user centric design? How the designers' model and users' adaptability works with the systens interaction design?
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Human Computer Interaction
Chapter-1The Psychopathology of
Everyday Things
Good Design
“Well designed objects are easy to understand. They contain visible clues to their operation.”
Bad Design
“Poorly designed objects are not that easy to understand. They doesn't contain visible clues to their operation.”
Bad Design(Cont.)
Important Principles of Design
“Visibility”“Mappings”
“Appropriate Clues”“Feedbacks”
Case Study-1
“Slide Projector With Single Button”
Case Study-2
“A telephone that hasn't a hold function visible”
Principles of Design
Why?
Principles of Design(Cont.)
Understandability Use+Ability
Principles of Design(Cont.)
Conceptual Model
Principles of Design(Cont.)Conceptual Model
Principles of Design(Cont.)
Conceptual Model
Principles of Design(Cont.)
Visibility
Principles of Design(Cont.)Visibility
Principles of Design(Cont.)
Mappings
Principles of Design(Cont.)Mappings
Principles of Design(Cont.)Affordance
Principles of Design(Cont.)
Feedback
Chapter-7User Centered Design
User Centered Design(Cont.)
Knowledge in the World Knowledge in Head
User Centered Design(Cont.)
Three Conceptual Design Design Model In Designer's Mind
User Model How User Learn to operate
Systems Image
User Centered Design(Cont.)
Simplify The Task's Structure How?
Provide Mental Aids Visibilities Feedbacks Ability to Keep in Control
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”
User Centered Design(Cont.) Complex Task? How to learn that easily?
?
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
User Centered Design(Cont.) Dream for error!!!! Design to solve your Dream Errors
User Centered Design(Cont.) All are in control?
User Centered Design(Cont.) All are fine? Ready to go?
●Standardize!!!!! How Soon? Any constraints?
Possibly Yes Cultural? Mentality?
Thank You