Usable Req 3

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USABLE-3. PLAIN LANGUAGE

Information presented to USERS in digital identity management functions MUST be in plain language that is clear and easy for a general audience or the transaction's identified target audience to understand.

SUPPLEMENTAL GUIDANCE

Instructions for use of the system should be visible or easily retrievable whenever appropriate.

Help and documentation information should be easy to search, focused on the users' task, listing concrete steps to be carried out, and be concise.

Platform conventions for words, actions, and situations are consistent across the platform. Example: users should not have to wonder whether different words, situations, or actions mean the same thing across the platform.

The system should speak the users' language, following real-world conventions and making information appear in a natural and logical order. Example: Systems should use words or phrases and graphics or icons familiar to the user rather than system-oriented terms. Example: although the phrase "privacy enhancing technology" is widely in use in industry, research suggests that "privacy protection" is more readily understood and used by real users.

Error messages should be expressed in plain language, without codes, clearly indicating the problem and constructively suggesting a solution.

The user’s identity status on a system should be clear to the user. Example: It should be clear to the user whether their identity is anonymous, pseudonymous or verified.

Any change in identity status should be presented in clear language to the user. Example: If a process requires a user to switch to a verified identity from a more anonymous state, the user should be clearly prompted to change their identity status.

Descriptions of states of identity (verified, anonymous, pseudonymous) should be linked to clear, easy to read, understandable and concise definitions.

If standard definitions are available, they should be used.

The design of the website should eliminate information that is irrelevant or rarely needed.

Layout and look/feel/branding, in addition to language, should also eliminate information that is rarely needed.

REFERENCES

None.

APPLIES TO ACTIVITIES

REGISTRATION, CREDENTIALING, AUTHENTICATION, AUTHORIZATION, INTERMEDIATION

KEYWORDS

CHOICE, CLARITY, LANGUAGE, OPTIONS, USABILITY




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