Lead User Analysis for the Development of Shape Changing Interfaces

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Hoggan, Eve
dc.contributor.author Bock, Wilfried
dc.date.accessioned 2017-02-24T10:55:42Z
dc.date.available 2017-02-24T10:55:42Z
dc.date.issued 2017-02-13
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/24720
dc.description.abstract The majority of flexible interfaces developed to date are only capable of sensing binary values that represent touch, and have a low actuation pressure. Most interfaces that allow for variable pressure input are either excessively complex from a technical standpoint, or do not support multi-touch. This thesis explores the idea of a multi-touch, variable-pressure input technique. Additionally, the steps followed to develop said technique, the process followed to find a potential use case, and the suitability of the studied users as lead users are presented. Subsequent to the development of the sensing technique, potential use-cases for applying the technique as an input device for smartphones were explored. The targeted users are cyclists who actively use smart device for tasks such as fitness tracking and navigation. 11 expert users as well as 11 everyday users were individually interview in context and an experiential prototype was built. The prototype aims to address the interface-related needs inferred from the initial insights of the expert users. Later analysis showed that 2 of the 11 expert users exhibited typical lead user characteristics, and reinforced that expert users in general offer a much greater wealth and depth of insights compared to everyday users. From a further survey, it was found that the needs found through contextual interviews were latent for 1 in 7 of the 104 surveyed everyday cyclists. The study shows that expert users are, in general, a good place to start with the needfinding process, but that the chance of finding lead users among experts is still quite low. Method-related recommendations for future work include looking for extreme cases among expert users, and involving a design team to enrich the needfinding process, rather than relying mainly on individual work. All needs found through the expert user interviews were found to be important by a significant number of everyday users, therefore a set of recommendations as to which direction future developments should take to address each of these needs is made. The most significant of these needs is the accidental input recognition, since it is both latent and not already addressed by current commercial products. en
dc.format.extent 62 + 40
dc.language.iso en en
dc.title Lead User Analysis for the Development of Shape Changing Interfaces en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.school Perustieteiden korkeakoulu fi
dc.subject.keyword lead user en
dc.subject.keyword HCI en
dc.subject.keyword tangible en
dc.subject.keyword shape changing en
dc.subject.keyword user centered en
dc.subject.keyword cycling en
dc.identifier.urn URN:NBN:fi:aalto-201702242603
dc.programme.major Human-Computer Interaction and Design fi
dc.programme.mcode SCI3020 fi
dc.type.ontasot Master's thesis en
dc.type.ontasot Diplomityö fi
dc.contributor.supervisor Hölttä-Otto, Katja
dc.programme Master's Programme in ICT Innovation fi
dc.ethesisid Aalto 7444
dc.location P1

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