Severity ratings for usability reviews

A quick reminder of severity ratings – these ones are adapted from ‘Usability severity codes’ in Usability & Technical Documentation, Xerox Corporation, July 1995. One point to remember – if you are developing applications for internal use in an organisation, you can often downgrade the severity of issues as there is no competition if users […]

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Error messages

Here’s how to write an error message: State the problem. State how to resolve it. Use plain English and be concise. Write them to help users, not developers. Phrases to avoid: “Access denied” “Fatal error” “Critical error” “Catastrophic failure”

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