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Identification and Specification of Hedonic Quality in User Requirements

: Maier, Andreas Florian
: Berry, M.; Rombach, D.; Deßloch, S.

Stuttgart: Fraunhofer Verlag, 2019, XVI, 271 S.
Zugl.: Kaiserslautern, TU, Diss., 2019
PhD Theses in Experimental Software Engineering, 64
ISBN: 978-3-8396-1525-6
Fraunhofer IESE ()
software engineering; human computer interaction; user interface design & usability; software engineering; software engineers; requirements engineers; usability engineers; user experience engineers

Engineering an interactive software product that induces positive user experience (UX) demands that the user requirements of the product reflect pragmatic qualities (PQs), that address product functionality and usability, and hedonic qualities (HQs) that address the user's psychological well-being. Mostly, products are designed emphasizing PQs while neglecting HQs. Those overly functional products have only a small potential to induce positive UX and software engineers have to learn what satisfies users by costly trial and error. To allow for the engineering of interactive software products that induce positive UX, this thesis contributes (1) Evidence of the need for an emphasis on HQs in user requirements, (2) an understanding of the difficulties in classifying user requirements, (3) the introduction of UX requirements, (4) a software solution that mitigates the difficulties of classifying user requirements, consisting of a new user story template and a User Requirements Classification Trainer, (5) evidence of the positive impact of emphasizing HQs in user requirements on software engineering, and (6) a tool that facilitates the creation of user stories in the new user story template.