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The Effect of System Expertise and Domain Knowledge on the Usability of an Interactive System

LOCATION:  TEL, Auditorium 3 (20th floor), Ernst-Reuter-Platz 7, 10587 Berlin

Date/Time: 16.01.2017, 14:15-15:00

SPEAKER: Leonardo Lanzinger



Usability testing is a key activity for measuring efficiency, effectiveness and satisfaction of users interacting with a software. As suggested by literature, usability testing should involve a representative sample of the user population in order to obtain a comprehensive insight and meaningful feedback. But how do different user profiles relate to the type of outcome provided in these tests? How do different levels of system expertise affect users' feedback? How in regards to domain knowledge? This thesis aims to study the effect of different factors on the outcomes of usability testing, namely: design version, system expertise and domain knowledge. A two-design experiment is studied on two different user population with different levels of domain knowledge and system expertise on the tested designs. The data gathered from testing with 50 users is used to analyze the effect of the three factors mentioned above on the outcomes of usability testing.



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