Raluca Budiu is Senior Director, Data Strategy, at Nielsen Norman Group, where she uses her data-analysis expertise to drive strategic decisions. She also serves as editor for the articles published on NNgroup.com. Raluca has coauthored many NN/g reports, as well as the book Mobile Usability. She holds a Ph.D. from Carnegie Mellon University.
All the details of your benchmark study need to be stored in your research repository for further reference. They include the study methodology, the tasks, the screener, the definitions of the collected metrics, as well as the raw data obtained from the study.
The Net Promoter Score (NPS) can be gamed, and its definition loses information and precision by treating fairly dissimilar responses in the same way. It should be used together with other UX metrics rather than in isolation.
Your application should demonstrate your UX skills. Make sure it provides easy-to-access, scannable information and that it addresses your hiring–managers’ needs.
The SUS is a well-established 10-question survey administered at the end of a user test; it gives you a measure of the perceived usability of your product and enables you to compare it with others.
Unsure where to start? Use this collection of links to our articles and videos to learn how to write and present information that aligns with users’ needs and online behaviors.
Fifteen years from the original iPhone, the quality of mobile user experience has stabilized. Mobile standards have emerged and the lines between the mobile web and native apps are becoming blurrier.
Internal validity ensures that your study design does not favor any particular condition or response, while external validity is about a naturalistic study setup and choice of participants.
AR features in mobile apps are plagued by usability issues such as poor discoverability and findability of items with AR, low-visibility instructions, or vague icons and signifiers.
In application design, prevent users from being overwhelmed by putting things in predictable places, using a clear visual hierarchy, and taking advantage of progressive disclosure.
