Tag Archives: usability testing

Spring’15 Class notes: Class 24 – Usability testing

9 Apr

Today we learned about a simple and a complex way of doing usability testing.

Simple: ask a human to perform some tasks on your product, observe them, identify what gives them trouble. You can also ask them some questions along the way.

Complex: you take various measures of usability such as time on task, time performance, efficiency, etc. The slides below remind you of the types of metrics and the overall flow of a usability test. I highly recommend Measuring the User Experience for more-in depth information about why and how to collect each metric, and how to analyze and report data for each one.

Spring’15 Class notes: Class 23 – Evaluation part 1

7 Apr

We began with an overview of research and evaluation methods:


Experts Users
Learned heuristic evaluation

competitive analysis

contextual inquiry



focus groups


Not yet learned cognitive walkthrough
  • task analysis
  • keystroke level modeling
  • usability testing
  • comparative usability testing
  • A/B testing
  • multivariate testing

You haven’t done any formal evaluation yet on your early prototype. It’s time to do that! Here are next steps:

  1. Conduct a cognitive walkthrough on your existing prototype.
  2. Improve the prototype, but keep it low fidelity. This is prototype v.2
  3. Create a plan for user feedback and usability testing.
  4. Get some informal user feedback on v2
  5. Improve the prototype based on user feedback, and create a high-fidelity prototype v. 3 in Axure or Sketch.
  6. Conduct formal usability testing on prototype v. 3
  7. Provide recommendations for moving on from v.3 to working prototype (v.4)
  8. Document everything and write it up in the last part of the final project, the evaluation report.