ID3EA UD Principles

equitable use

useful and marketable for people with diverse abilities

flexibility in use

left and right handedness/pace

simple and intuitive use

easy to understand regardless of user’s experience, knowledge, language skills, or education levels

perceptible information

communicates necessary information effectively to the user, regardless of ambient conditions or the user’s sensory abilities

tolerance for error

minimizes hazards and the adverse consequences of accidental or unintended actions

low physical effort

can be used efficiently and comfortably and with a minimum of fatigue

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, and mobility