Articles

Raluca Budiu

Raluca Budiu is the Senior Director of Data Strategy at Nielsen Norman Group, where she uses her data-analysis expertise to drive strategic decisions. She consults for clients from a variety of industries and presents tutorials on mobile usability, designing interfaces for multiple devices, quantitative usability methods, cognitive psychology for designers, and principles of human-computer interaction. She also serves as editor for the articles published on NNgroup.com. Raluca coauthored the NN/g reports on tablet usability, mobile usability, iPad usability, and the usability of children's websites, as well as the book Mobile Usability. She holds a Ph.D. from Carnegie Mellon University.

@rbudiu

Articles and Videos

  • Power Law of Learning: How to Launch New Designs Successfully

    Time on task decreases with the number of times the task has been performed in the past. As a result, a new version of an app translates into a temporary productivity loss for its users.

  • Memory Recognition and Recall in User Interfaces

    Recalling items from scratch is harder than recognizing the correct option in a list of choices because the extra context helps users retrieve information from memory.

  • User-Experience Quiz: 2023 UX Year in Review

    Test your usability knowledge by taking our quiz. All questions and answers are based on articles that we published last year.

  • Tables of Contents on Mobile

    Tables of contents show mobile users an overview of the information on the page and allow them to easily access the piece of content that is relevant to them. Two possible implementations involve in-page links and accordions.

  • Research Repositories for UX Benchmarking Studies

    A benchmark research repository helps conduct valid benchmarking studies. It should include all the details and the raw data of your UX-benchmarking study.

  • Prompt Structure in Conversations with Generative AI

    Most prompts contain a combination of the following components: request, framing context, format specification, and one or more references to previous answers or external sources. There are also 3 types of unconventional prompts that do not follow this structure: "Can you do X," "Give me more," and filler prompts.

  • The 6 Types of Conversations with Generative AI

    When interacting with generative-AI bots, users engage in six types of conversations, depending on their skill levels and their information needs. Interfaces for UI bots should support and accommodate this diversity of conversation styles.

  • Images on Mobile

    Decorative images should not be used on mobile, as they lengthen the page and make it load more slowly. Use images only if they add informational value to your page.

  • AI as a UX Assistant

    Generative-AI bots support UX professionals by acting as content editors, research assistants, ideation partners, and design assistants.

  • Passwordless Accounts

    A new pattern allows users to create an account without defining a password. Later on, they can log in through an OTP or a passkey.