Background Choosing a suitable sample size in qualitative research is an area of
conceptual debate and practical uncertainty. That sample size principles, guidelines and …

The philosopher of science JW Grove (1989) once wrote,“There is, of course, nothing
strange or scandalous about divisions of opinion among scientists. This is a condition for …

We describe the primary ways researchers can determine the size of a sample of research
participants, present the benefits and drawbacks of each of those methods, and focus on …

Usability and user experience (UX) are important concepts in the design and evaluation of
products or systems intended for human use. This chapter introduces the fundamentals of …

Among the key technologies of Industry 4.0, Augmented Reality (AR) is one of the most
promising and enabling technologies for supporting factory workers and engineers at the …

This new and completely updated edition is a comprehensive, easy-to-read," how-to" guide
on user research methods. You'll learn about many distinct user research methods and also …

Context: The software industry has sought to apply User eXperience (UX) practices that can
help maintain a sustainable business. UX practices make it possible to conduct research …

There are well-established rules and methods about sample size estimation in quantitative
research approaches. However, qualitative research approaches justify very little about …

The paper presents a virtual diving system based on a virtual reality (VR) application for the
exploitation of the Underwater Cultural Heritage. The virtual diving experience has been …

In usability tests, the users are commonly asked to think aloud to let the evaluator listen in on
their thoughts. Two variants of this procedure involve that the users either think aloud while …