Blogs

Maximilian Speicher

Maximilian Speicher is a computer scientist, designer, researcher, and ringtennis player. Currently, he is director of product design at BestSecret and cofounder of UX consulting firm Jagow Speicher. His research interests lie primarily with novel ways to do digital design, usability evaluation, augmented and virtual reality, and sustainable design. [email protected]


Seven heuristics for identifying proper UX instruments and metrics

Posted: Tue, September 19, 2023 - 11:09:00

In the two previous articles of this series, we have first learned that metrics such as conversion rate, average order value, or Net Promoter Score are not suitable to reliably measure user experience (UX) [1]. The second article then explained how UX is a latent variable and, therefore, we must rely on research instruments and corresponding composite indicators (that produce…

So, how can we measure UX?

Posted: Tue, November 15, 2022 - 2:44:00

The precise, quantitative measurement of user experience (UX) based on one or more metrics is invaluable for design, research, and product teams in assessing the impact of UX designs and identifying opportunities. Yet these teams often employ supposed UX metrics like conversion rate (CR) and average order value (AOV), which can’t provide that measurement [1]. In fact, I believe this…

We need to get rid of significance in A/B testing, seriously!

Posted: Tue, February 08, 2022 - 11:20:00

In my previous job, I was responsible for all A/B testing in an e-commerce department. We worked with an external partner and took care of the whole package—from generating hypotheses to developing the tests to providing a report of the results. Those reports were presented to a variety of stakeholders, including product management, merchandise, and the director of e-commerce. To…