human computer interaction: the design of everyday things (user centered design – chapter 7)
Post on 27-Jan-2015
120 Views
Preview:
DESCRIPTION
TRANSCRIPT
User Centered DesignThe Design of Every Day Things
• User can figure out what to do.
• The user can tell what is going on
Design must be in a way that:
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
• General knowledge• Past Experience• Tradition, rules• Hints or signs• Others experience• and so on..
Mental Model
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Mental Model
The design model
The system image
The user’s model
Mental Model
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Mental Model
The design model
The system image
The user’s model
Conceptualization that the designer has in mind.
What the user develops to explain the operation of the system
Communication between designer or design and user
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
• Psychology of a person/user
• Make task as simple as possible
• Change the nature of the task
• Hints or signs• Automate but keep the
task same
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize• Make all the things visible• Interact with user using visual
appearances.
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Described well in the slide “knowing what to do”
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Seven Principals
Simplify StructureVisibility
Mapping Right
Power of Constraint
Design the Error
Use knowledge from world +
head
Standardize
Above all ensure the standardization.
Thank You!
top related