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Long-term User Experience
Evangelos Karapanos
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Tampere, 1st June 2011
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20faculty
14countries,8languages
Areas:
11CS,2physics/electronics,2psychology,2architecture,2design,2art,2other
LeonelNbrega
IanOakley LuisGomes
ValenHnaNisi
PauloSampaio
GonaloGouveiaLaura Rodrguez
VassilisKostakos
JosvanLeeuwen
NunoNunes
LarryConstanHne
EduardoFerm
NstorCatano
MonchuChen
PedroCampos
BarbaraPizzileo
RonSalden
EvangelosKarapanos
DavidAveiro LuisGomes YoramChisik
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MSc HCI & Entertainment Technology
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Industry Involvement
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Long-term User Experience
Evangelos Karapanos
!"#$%&'()%* +%,)"-)"'()%* +.$%(/,'()%*
Tampere, 1st June 2011
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48% of returned products are not attributed to aviolation of product specifications
Soft Reliability
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Are we facing a new reality?
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problems rooted earlyin (concept) design phase
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failure to truly incorporate it in ones life
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Why to study long-term use?
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learnability
versuslong-term usability
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Mendoza, V., & Novick, D. G. (2005). Usability over time. Proceedings of the 23rd annual international conference on Design ofcommunication: documenting & designing for pervasive information, 151-158.
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Karapanos, E., Zimmerman, J., Forlizzi, J., & Martens, J. (2009). User experience over time: an initial framework. In CHI '09:Proceedings of the 27th international conference on Human factors in computing systems (pp. 729-738). New York, NY, USA: ACM.
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novelty&
typicality
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Not only a perceptual phenomenonwhen done without regard to how cultures adopt technology
over time, then today's reluctant reactions by users willforestall tomorrow's eager acceptance.
Saul Greenberg and Bill Buxton. 2008. Usability evaluation considered harmful (some of the time). In Proceeding of the twenty-sixthannual SIGCHI conference on Human factors in computing systems (CHI '08). ACM, New York, NY, USA, 111-120.
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Howdousersformoverallevalua/vejudgments
aboutinterac/veproducts?
assenzahl,2004
AnexploratorystudyUserexperienceoverHme
Karapanos, E., Hassenzahl, M., & Martens, J.-B. (2008). User experience over time. CHI 08 extended abstracts on Human factors incomputing systems (pp. 3561-3566). Florence, Italy: ACM.
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Itemsclosetogetherarehighlycorrelated.Linesrepresentclusters.
AnexploratorystudyUserexperienceoverHme
Karapanos, E., Hassenzahl, M., & Martens, J.-B. (2008). User experience over time. CHI 08 extended abstracts on Human factors incomputing systems (pp. 3561-3566). Florence, Italy: ACM.
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Karapanos, E., Zimmerman, J., Forlizzi, J., & Martens, J. (2009). User experience over time: an initial framework. In CHI '09:Proceedings of the 27th international conference on Human factors in computing systems (pp. 729-738). New York, NY, USA: ACM.
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appropriation
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What makes for positive experiences in the long run?
Karapanos, E., Zimmerman, J., Forlizzi, J., & Martens, J. (2009). User experience over time: an initial framework. In CHI '09:Proceedings of the 27th international conference on Human factors in computing systems (pp. 729-738). New York, NY, USA: ACM.
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Nowthinkofthethreeexperiencesthatwereforyoupersonallymost
sa.sfyingorunsa.sfyingexperiencesoftoday.Please,useyour
ownfeelingoradefini.onofwhatsa.sfyingandunsa.sfyingexperiencemeans.Takeacoupleofminutestobesuretocomeupwiththreemostcrucialexperiences;youmayalsowanttowrite
themdownforyourself.Wewantyoutobeopenastowhichexperiencesto
report.
Karapanos, E., Zimmerman, J., Forlizzi, J., & Martens, J. (2009). User experience over time: an initial framework. In CHI '09:Proceedings of the 27th international conference on Human factors in computing systems (pp. 729-738). New York, NY, USA: ACM.
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Karapanos, E., Zimmerman, J., Forlizzi, J., & Martens, J. (2009). User experience over time: an initial framework. In CHI '09:Proceedings of the 27th international conference on Human factors in computing systems (pp. 729-738). New York, NY, USA: ACM.
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Karapanos, E., Zimmerman, J., Forlizzi, J., & Martens, J. (2009). User experience over time: an initial framework. In CHI '09:Proceedings of the 27th international conference on Human factors in computing systems (pp. 729-738). New York, NY, USA: ACM.
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Trends in computing
From usability to experience From use to behavior change
From use to participation
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from usability to experience
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from use to persuasion
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from use to participationZimmmerman et al. (2011) Field trial of Tiramisu: crowd-sourcing bus arrival times to spur co-design. In Proceedings ofCHI11.
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Why to study long-term use?
learning versus long-term usability
novelty & typicality
appropriation
Trends in computing
From usability to experience
From use to behavior change
From use to participation
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LongitudinalparadigmsinHCI
Cross-sec8onal Repeatedsampling
Longitudinal Retrospec8ve
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Thankyou
Relevantpublica8ons
Karapanos,E.,Zimmerman,J.,Forlizzi,J.,&Martens,J.(2009).Userexperienceover
8me:anini8alframework .InCHI'09:Proceedingsofthe27thinterna/onalconference
on Human factors in compu/ng systems (pp 729 738) New York NY USA: ACM
EvangelosKarapanos
ekarapanos.com