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Christ Help ME PLZ (HEURISTICS (Error prevention (Even better than good…
Christ Help ME PLZ
HEURISTICS
Error prevention
Even better than good error messages is a careful design which prevents a problem from occurring in the first place. Either eliminate error-prone conditions or check for them and present users with a confirmation option before they commit to the action
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User control and freedom
Users often choose system functions by mistake and will need a clearly marked "emergency exit" to leave the unwanted state without having to go through an extended dialogue. Support undo and redo
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Help users recognize, diagnose, and recover from errors
Error messages should be expressed in plain language (no codes), precisely indicate the problem, and constructively suggest a solution.
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Help and documentation
Even though it is better if the system can be used without documentation, it may be necessary to provide help and documentation. Any such information should be easy to search, focused on the user's task, list concrete steps to be carried out, and not be too large.
GESTALT
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Continuity
Following a smooth path, pattern
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Fitt's law
This law predicts that the time required to rapidly move a target area is a function of the ration between the distance to the target and the width of the target
Personas
Personas are a way of humanising design issues. They are built to create an
understanding of the final user. Although the personalities are fictional they are
based on fact. A persona represents a group of users who show similar
behavior when using or interacting with a product/service.
Contextual Engquiry
Contextual inquiry is a cross between interviews and observation and combines the strengths of both. In a contextual inquiry, the interviewer goes to the user and interviews them where they do their work.
