User research in the form of usability tests or user interviews has become an indispensable part of the UX world, especially when it comes to developing or improving a product. Developers gain insight into what users really need and what potential problems there may be with the product. A key point of research is the selection of the right sample. If the sample is not meaningful or representative for the defined user group, the validity of the findings and thus the quality of the product will suffer. read more…
Sample Size in Usability Tests and User Interviews – Less is More?
