Seven Principles of Universal Design
1. Equitable Use--The design does not stigmatize or disadvantage.
2. Flexibility in Use--The design accommodates a wide range of individual preferences and abilities.
3. Simple and Intuitive Use--Use of the design is easy to understand, regardless of the users experience, knowledge, language skills or current concentration level.
4. Perceptible Information--The design communicates necessary information effectively to the user regardless of ambient conditions or the user's sensory abilities.
5. Tolerance for Error--The design minimizes hazards and the adverse consequences of accidental or unintended actions.
6. Low Physical Effort--The design can be used efficiently and comfortably, and with a minimum of fatigue.
7. Size and Space for Approach and Use--Appropriate size and space is provided for approach, reach, manipulation, and use, regardless of the user's body size, posture or mobility. (Center for Universal Design 1997; Cornell et al, 1997
Source: Universal Design, Creating Inclusive Environmentsby Edward Steinfeld & Jordana L. Maisel
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