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An introduction to CHI
 

An introduction to CHI

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    An introduction to CHI An introduction to CHI Presentation Transcript

    • inleiding tot chi erik duval K.U.Leuven http://www.cs.kuleuven.be/~erikd 1
    • http://www.slideshare.net/erik.duval 2
    • • 13u30-14u00: cursus • 14u00-15u00: CHI • 15u00-16u00: case 1 • 16u00-16u15: break • 16u15-17u15: evaluatie van gebruikersinterfaces • 17u15-18u15: case 1 revisited • 18u15-19u00: wrap-up, what next 3
    • There is a conflict of interest in the world of software development because the people who build it are also the people who design it. If carpenters designed houses, they would certainly be easier or more interesting to build, but not necessarily better to live in. The architect, besides being trained in the art of what works and what doesn't, is an advocate for the client, for the user. Alan Cooper. About Face, 1995 (http://www.chesco.com/~cmarion/Design/UIDesign.html)
    • Niet onbelangrijk… •http://www.boston.com/campaign2000/vote/florida_voters.htm http://www.ntk.net/nielsen2004/
    • http://www.demorgen.be/dm/nl/991/Multimedia/article/detail/142168/2008/01/22/Bezoekcijfers-voor-VRT-nieuwssite-deredactie-be-gaan-dieperik-in.dhtml
    • http://www.designinginteractions.com/
    • • Ben Shneiderman, Designing the User Interface. Strategies for Effective Human-Computer Interaction. • Jakob Nielsen, Designing Web Usability. • Jakob Nielsen & Marie Tahir, Homepage Usability. • Donald A. Norman, The Invisible Computer & Emotional Design. • Jef Raskin, The Humane Interface. • Peter Morville, Ambient Findability. • Jennu Preece, Yvonne Rogers, David Benyon, Simon Holland & Tom Carey, Human-Computer Interaction. • Alan Dix, Janet Finlay, Gregory Abowd & Russell Beale, Human- Computer Interaction.
    • GUI - probleem uit jouw leven? • paswoord: veiligheid <-> usability • office 2003 -> 2007 • sneltoetsen niet werken of anders • inschrijvingsnummer niet herkend • 35 keer/u bevestigen dat taak mag (config.) • nytimes.com: rubrieken verhuizen • vastlopen - zandloper - verwerken met input • te grote bestanden: loopt vast, scrollen duurt lang • ontbrekende info - config enkel na exit en bestand • front row per ongeluk
    • GUI - probleem uit jouw leven? • 3D gratis blender: http://freeware.odlican.net/images/ blender.jpg • <> te veel iconen en geen snelkoppelingen • windows XP en vista: nietandere vensters verbergt, ook networks) en pop-up die resizebare vensters (wireless macos en pda • spelletjes voor pcs en consoles: strategy op playstation:pijl boven voor enter • aandacht trekken: banners web, toledo ISP • HTML form alles wissen • omeletnog langerkookplat gelockt bij afwassen, handleiding nodig!, bakken - induwen • linksonder ingedrukt om te unlocken • silent mode ongewid uitschakelen
    • reele wereld • laptop afsluiten door op start-knop te drukken • CD eject op apple met forced reboot • betaalterminals met knoppen waarop je niet mocht/kon op duwen • geld terug voor kaart? • Q8-E19 • aansturen AV in auditoria
    • GUI - probleem uit jouw leven? • 7: word auto-opmaak moeilijk weg te krijgen • 12: vlc media player versies (macos-xp) • 5: vista, te veel kaders rond tekst • 9: kul web site - sport info • 3: dvd recorder taalfout (ja<>neen) • 4: visual paradigm - lifeline in lus via menu • 1: evolution email - wissen zoekveld of email boodschap? • 11: toledo - onoverzichtelijk wanneer iets toegevoegd is • 2: startmenu vista: lange scrollvensters • 6=9 • 8: deredactie.be te druk • 10: outlook versus express - accounts instellen (ook: eclips)
    • GUI - probleem uit jouw leven? • apotheker-site: registratie -> telefoon • uurrooster onbeschikbaar -> back-up lijst • lessenrooster vinden -> kuleuven googlen • PC-lab -> numlock standaard af • ADSL helpdesk -> laat iemand terugbellen die er iets van kent • download uit mail -> beveiligde map, overschrijving • delijn.be • toledo -> assignment indienen • laserprinter -> r0x32 boodschap • SMIL -> “error”
    • Human-computer interaction “a discipline concerned with the design evaluation and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them." [ACM]
    • task organisational & social CHI technology user
    • Human Factors
    • Human factors
    • Maar ook • BMW iDrive • 1952 • 11 indicators, 16 controls • 1994 • 35 indicators, 66 controls • 2002 • 17 indicators, 29 controls • “supermouse”: 700 functions
    • • ACM SIGCHI • meer dan 6000 leden, jaarlijkse conferentie • meer dan 2500 deelnemers • tijdschriften • ACM interactions, bulletin, transactions • International Journal of Human-Computer Studies • HCI bibliography
    • The economist – oct. 2004 To be truly successful, a complex technology needs to “disappear” The real test is always the mom test http://www.economist.com/displaystory.cfm?story_id=3307363
    • You are not the user! (if you are the developer)
    • Four Myths Only experts create good designs  experts faster, simple and effective techniques anyone can apply We can fix the user interface at the end  good design is more than just user interface  having right features, building those features right Good design takes too long / costs too much  simple and effective techniques can reduce total development time & cost (finds problems early on) Good design is just cool graphics  graphics part of bigger picture of what to communicate & how
    • If the user does something “wrong”, it is the fault of the system designer!
    • “logical analysis is not a good way to predict people's behavior (nor are focus groups or surveys): observation is the key” “I caution that the time frame for adoption of new technologies is measured in decades, not the months everyone would prefer” Donald A. Norman
    • People unpredictable
    • http://www.cs.berkeley.edu/~jfc/cs160/SP03/ features Chrossing the chasm reliability, convenience “no fuss or bother”
    • http://www.post-gazette.com/pg/09032/946191-85.stm
    • Long nose of innovation http://www.businessweek.com/innovate/content/jan2008/id2008012_297369.htm
    • Vragen? http://www.cs.kuleuven.ac.be/~erikd Dank!