James R. (Jim) Lewis, Ph.D, Bill Albert, PhD

Our February 2025 essay is “Help or Hubris: Certifications in UX and Human-Centered Design,” by Clemens Lutsch. Prof. Lutsch addresses the current state of certification in UX and HCD, including who offers certificates, who needs certifications, and how certification should enrich our professional field. This issue also includes two research papers: one on the mystery […] [Read More阅读详情자세히 읽기Leia mais続きを読むLeer más]

Clemens Lutsch

A common post in social media is the announcement: “I have achieved xyz certificate in fill-in-the-blank.” A round of applause comes from connected people with encouraging comments. It’s another day in the online life of today’s digitized world. But what is being heralded here? An achievement? New knowledge? A new skill? Or even the key […] [Read More阅读详情자세히 읽기Leia mais続きを読むLeer más]

Michael J. Madson, Yoshita Gade, Unnati Srivastava

Abstract This article provides a critical discussion of how mystery calling can support user experience research, offering insights grounded in the extant literature as well as our experience as mystery callers. The pros of mystery calling include data from (near) authentic interactions, scalability, cost efficiency, and broad applicability. The cons include medium bias, rigidity, challenges […] [Read More阅读详情자세히 읽기Leia mais続きを読むLeer más]

James R. (Jim) Lewis, Ph.D, Jeff Sauro, PhD

Abstract The SUPR-Qm is a standardized questionnaire for the assessment of the UX of mobile apps. In this paper, we describe our analysis of large-sample datasets to (1) replicate the Rasch model reported in the initial publication of the SUPR-Qm in 2017, (2) identify redundant items from the original 16-item SUPR-Qm that could be removed […] [Read More阅读详情자세히 읽기Leia mais続きを読むLeer más]