![]() It discourages unconscious action in tasks that require vigilance. ![]() It provides warnings of hazards and errors.It arranges elements to minimize hazards and errors: most used elements, most accessible hazardous elements eliminated, isolated, or shielded.The design minimizes hazards and the adverse consequences of accidental or unintended actions. It provides compatibility with a variety of techniques or devices used by people with sensory limitations.It differentiates elements in ways that can be described (i.e., make it easy to give instructions or directions).It maximizes “legibility” of essential information.It provides adequate contrast between essential information and its surroundings.It uses different modes (pictorial, verbal, tactile) for redundant presentation of essential information.The design communicates necessary information effectively to the user, regardless of ambient conditions or the user’s sensory abilities. It provides effective prompting and feedback during and after task completion.It arranges information consistent with its importance.It accommodates a wide range of literacy and language skills.It is consistent with user expectations and intuition.Use of the design is easy to understand, regardless of the user’s experience, knowledge, language skills, or current concentration level. ![]() PRINCIPLE THREE: Simple and Intuitive Use
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