Usability testing: a review of some methodological and technical aspects of the method

The aim of this paper is to review some work conducted in the field of user testing that aims at specifying or clarifying the test procedures and at de. ning and developing tools to help conduct user tests. The topics that have been selected were considered relevant for evaluating applications in the field of medical and health care informatics. These topics are: the number of participants that should take part in a user test, the test procedure, remote usability evaluation, usability testing tools, and evaluating mobile applications. (C) 2008 Elsevier Ireland Ltd. All rights reserved.