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The Principles of Universal Design
Universal Design: The design of products and environments to be usable by all people,
to the greatest extent possible, without adaptation or specialized design.
Equitable Use: The design is useful and marketable to people with diverse abilities.
Flexibility in Use: The design accommodates a wide range of individual preferences and
abilities.
Simple & Intuitive Use: Use of the design is easy to understand, regardless of the
user’s experience, knowledge, language skills, or current concentration levels.
Perceptible Information: The design communicates necessary information effectively to
the user, regardless of ambient conditions or the user’s sensory abilities.
Tolerance for Error: The design minimizes hazards and the adverse consequence of
accidental or unintended actions.
Low Physical Effort: The design can be used efficiently and comfortably and with a
minimum if fatigue.
Size & Space for Approach & Use: Appropriate size and space is provided for approach,
reach, manipulation, and use regardless of user’s body size, posture, or mobility.
Copyright ©1997 NC
The Center for Universal Design (1997).
The Principles of Universal Design, Version 2.0 Raleigh, NC: North Carolina State University.
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