Principles of Universal Design

Universal Design

Principles of Universal Design¹

◼ PRINCIPLE ONE: Equitable Use

- The design is useful and marketable to any group of users.

◼ PRINCIPLE TWO: Flexibility in Use

- The design accommodates a wide range of individual preferences and abilities.

◼ PRINCIPLE THREE: Simple and Intuitive

- Use of the design is easy to understand, regardless of the user's experience, knowledge, language skills, or current concentration level.

◼ PRINCIPLE FOUR: Perceptible Information

- The design communicates necessary information effectively to the user, regardless of ambient conditions or the user's sensory abilities.

◼ PRINCIPLE FIVE: Tolerance for Error

- The design minimizes hazards and the adverse consequences of accidental or unintended actions.

◼ PRINCIPLE SIX: Low Physical Effort

- The design can be used efficiently and comfortably and with a minimum of fatigue.

◼ PRINCIPLE SEVEN: Size and Space for Approach and Use

- Appropriate size and space is provided for approach, reach, manipulation, and use regardless of user's body size, posture, or mobility.

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¹ Center for Universal Design, North Carolina State University, Raleigh, NC, 1997.