C.M. Barnum 2010 Usability Testing Essentials: Ready, Set... Test! San Mateo, CA Morgan Kaufmann
K. A. EricssonH.A. Simon 1993 Protocol Analysis: Verbal Reports as Data. Revised ed. Cambridge MIT Press
K. Hornbaek 2010 ‘Dogmas in the assessment of usability evaluation methods’ Behaviour and Information Technology 29 1 97 111
K. L. NormanE. Panizzi 2006 Levels of automation and user participation in usability testing. Interacting with computers 18 2 246 264
L. W. PeuteN. F. de KeizerM. W. Jaspers 2009 Cognitive evaluation of a physician data query tool for a national ICU registry: comparing two think aloud variants and their application in redesign. Studies in health technology and informatics 160 1 309 313
M. J. Van den HaakM. D.T. de JongP. J. Schellens 2009 ‘Evaluating municipal websites: a methodological comparison of three think-aloud variants.’ Government Information Quarterly. 26 1 193 202