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Reports and Whitepapers

Research testing 917 websites and intranets (and 318 emails) with 1,582 users in 12 countries.

Web Usability

Intranet Usability

Application Usability

Email Usability

Special Audience Segments

  • Senior citizens: 46 design guidelines to support users aged 65 and older
  • Children: 70 design guidelines for sites that target users aged 6–12 and the kids' corners of mainstream sites
  • Teenagers: 60 design guidelines for users aged 13–17
  • Users with disabilities: 75 guidelines for improving usability beyond simple accessibility

User-Centered Design Methodology

Other


Articles and Columns


Books

Full list of books by Jakob Nielsen, Don Norman, and Bruce Tognazzini.

                        

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