long term user experience

8/6/2019 Long Term User Experience

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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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appropriation


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What makes for positive experiences in the long run?



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Nowthinkofthethreeexperiencesthatwereforyoupersonallymost

sa.sfyingorunsa.sfyingexperiencesoftoday.Please,useyour

ownfeelingoradefini.onofwhatsa.sfyingandunsa.sfyingexperiencemeans.Takeacoupleofminutestobesuretocomeupwiththreemostcrucialexperiences;youmayalsowanttowrite

themdownforyourself.Wewantyoutobeopenastowhichexperiencesto

report.



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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

long term user experience

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