Raluca Budiu is a Senior Researcher with Nielsen Norman Group. At NN/g she consults for clients from a variety of industries and presents tutorials on mobile and tablet usability, cognitive psychology for designers, and principles of human computer interaction. She coauthored the NN/g reports on tablet usability, mobile usability, iPad usability, and the usability of children's websites, and the book "Mobile Usability". Raluca also served as a judge for GSMA Global Mobile Awards 2012-2014 and Tabby Awards 2013. She holds a Ph.D. from Carnegie Mellon University. Read more about Raluca
August 3, 2014
On a large screen, hiding the chrome significantly affects discoverability and interaction cost, with virtually no improvement to the content-to-chrome ratio.
July 13, 2014
In interface design favor direct access to the user’s preferred item instead of forcing users to go through your content in a serial order.
July 6, 2014
Showing users things they can recognize improves usability over needing to recall items from scratch because the extra context helps users retrieve information from memory.
April 13, 2014
Designing for all screen sizes must consider the human–device communication capacity, which depends on users’ memory, device portability, and screen size.
March 2, 2014
Demanding that users register or log in before they can use an app or see website information has high interaction cost and defies the reciprocity principle.
February 16, 2014
Humans tend to return good deeds: use this social psychology law in user interface design to gain users’ trust and motivate engagement with your site or app.