UX Webinar:
Measuring UX with the UX-Lite Questionnaire


UX Webinar

Measuring UX with the UX-Lite Questionnaire

The Evolution of the UX-Lite, Part 2


Speakers: Jeff Sauro, PhD, and Jim Lewis, PhD

Event Date: Wednesday, October 13th, 2021

Event Time: 1:00 PM EDT | 10:00 AM PDT


Register Here!


The UX-Lite is a two-item questionnaire adapted from the UMUX-Lite, with one item measuring perceived ease-of-use (Ease: “{Product} is easy to use”) and the other measuring perceived usefulness (Usefulness: “{Product}’s features meet my needs”). The goal of our two-part webinar is to present the results of five years of research and practice at MeasuringU that have led to the development of the UX-Lite.

In Part 1 of the webinar we described the evolution of the UX-Lite from the System Usability Scale (SUS) and the Technology Acceptance Model (TAM), the major ways in which it differs from the original UMUX-Lite (using 5 instead of 7 point scales and simpler versions of the Usefulness item), and the strong relationships between its two items and the two factors of the TAM in structural equation models linking them to overall experience, behavioral intention, likelihood to recommend, and actual use.

In Part 2 we’ll cover the following:

  • What is the best way to use the UX-Lite to predict comparable SUS scores?
  • How accurate are UX-Lite to SUS score estimates? Do they correspond closely enough to use existing SUS benchmarks to interpret the UX-Lite?
  • What benchmarks and percentiles are available for the UX-Lite?
  • How do you display and use the UX-Lite?


Register Here!


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