Thinking model and tools for understanding user experience related to information appliance product concepts

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Kankainen, Anu 2012-02-10T09:45:25Z 2012-02-10T09:45:25Z 2002-12-09
dc.identifier.isbn 951-22-6307-6
dc.identifier.issn 1456-9418
dc.description.abstract The aim of this dissertation work is to develop thinking models and tools that would help in understanding user experience (UE) related to information appliance (IA) product concepts. A product concept is understood in this dissertation as a rough description of the technology, functionality and form of a product or a service, which is created during the very first phase of the product development process by a multidisciplinary design team. The dissertation provides answers to five research questions through constructive research. The first question discusses distinctive features of UE with terms that would be useful in practical design work. Several approaches explaining UE were found in literature but none of them looked at UE in the holistic and dynamic way, which was necessary in usercentered product concept design (UCPCD). According to the presented conceptual model UE is a result of a motivated action in a certain context. The user's previous experiences and expectations influence the present experience, and the present experience leads to more experiences and expectations. Moreover, there are two different kinds of user needs: motivational level and action level. The second research question discusses methods that can be used in user research to understand user needs. Two kinds of methodologies are discussed: those that reveal motivational level needs, and those that can be used for studying action level needs. Several different kinds of techniques should be used to discover narratives on user needs. The answer to the third question of generating product concept ideas discusses four different methods that could be used among designers or together with users while generating product concept ideas. The results of all techniques were use cases which could be presented in a narrative form. The fourth question is about the evaluation of UE probes during the UCPCD process. It became clear that traditional usability testing is not a suitable method for evaluating UE probes because in traditional usability testing use cases are given to the users and not created by them during the testing session. In UCPCD the users should be given only probes that enable them to create their own ways of using the product concept. Probes include both low-fidelity prototypes that are presented to the users in a laboratory setting parallel with use scenarios, and high-fidelity prototypes that can be tested in the users' own environment. Finally, the fifth question describes the phases and activities of UCPCD process that take UE into account. It was discovered that the form of narrative is common for all activities of the process. Moreover, user research should be done twice: first to study motivational level needs and then action level needs. Also prototyping is useful to do twice during this iterative, user-centred process: first with low-fidelity prototypes and then with high-fidelity prototypes that can be tested in the users' own environment. en
dc.format.extent 59, [72]
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Helsinki University of Technology en
dc.publisher Teknillinen korkeakoulu fi
dc.relation.ispartofseries Acta polytechnica Scandinavica. Ma, Mathematics and computing series en
dc.relation.ispartofseries 118 en
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dc.subject.other Electrical engineering en
dc.subject.other Economics en
dc.title Thinking model and tools for understanding user experience related to information appliance product concepts en
dc.type G5 Artikkeliväitöskirja fi
dc.description.version reviewed en
dc.contributor.department Department of Computer Science and Engineering en
dc.contributor.department Tietotekniikan osasto fi
dc.subject.keyword user experience en
dc.subject.keyword user-centred design en
dc.subject.keyword product concept en
dc.subject.keyword information appliance en
dc.identifier.urn urn:nbn:fi:tkk-002208
dc.type.dcmitype text en
dc.type.ontasot Väitöskirja (artikkeli) fi
dc.type.ontasot Doctoral dissertation (article-based) en
dc.contributor.lab Helsinki Institute for Information Technology (HIIT) en
dc.contributor.lab HIIT fi

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