The 7 Principles of Universal Design were developed in 1997 by a working group of architects, product designers, engineers and environmental design researchers, led by the late Ronald Mace in the North Carolina State University. The purpose of the Principles is to guide the design of environments, products and communications. According to the Center for Universal Design in NCSU, the Principles "may be applied to evaluate existing designs, guide the design process and educate both designers and consumers about the characteristics of more usable products and environments."
The design is useful and marketable to all users with diverse abilities
The design accommodates a wide range of individual preferences and abilities
Use of the design is easy to understand, regardless of a user’s experience, knowledge, language skills, or current concentration level
The design communicates necessary information effectively to the use regardless of sensory abilities
The design minimizes hazards and adverse consequences, accidental or unintended actions
The design allows for efficient and comfortable use with minimal effort or fatigue
The design incorporates appropriate size and space provided for approach, reach, manipulation, and use regardless of the user's body size, posture, or mobility
In summary, these principles state a product should:
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