Nielsen Norman Group – Return on Investment (ROI) for Usability
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This report presents user-experience guidelines for designing applications and websites for mobile devices, as well as the findings from our user research with these devices. It is based on 17 in-person and 10 remote usability studies with users in 8 countries (mostly in the USA, but also in Australia, Canada, China, Hong Kong, India, The Netherlands, Romania, and the UK). It presents a set of design recommendations intended to help designers create a good mobile user experience.
- This 561-page report offers 383 design guidelines based on our usability research. Discussions and more than 700 screenshot illustrations supplement our findings.
Research Method
- The information in this report is based on usability research with mobile users 20-50+ years old. We used 4 different research methods:
- One-on-one in-person usability testing
- Remote unmoderated usability testing
- Diary-based longitudinal study, for which people recorded their experiences with their mobile devices for approximately one week
- Design reviews
- Mobile eyetracking
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