Published on February 17, 2014
Inleiding HCI KU Leuven, B, 17 February 2014 ! Erik Duval http://erikduval.wordpress.com @ErikDuval 1
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.cooper.com/)
Niet zo eenvoudig...
Niet onbelangrijk… •http://www.boston.com/campaign2000/vote/ﬂorida_voters.htm http://www.ntk.net/nielsen2004/
voorbeelden uit jouw leven... • ...
“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
organisational & social task CHI technology user
Usability The effectiveness, efﬁciency, and satisfaction with which speciﬁed users achieve speciﬁed goals in particular environments ! This does not mean you have to create a “dry” design or something that is only good for novices – it all depends on your goals
•ACM SIGCHI •meer dan 6000 leden •jaarlijkse conferentie •tijdschriften • ACM interactions • ACM Transactions Computer-Human Interaction • International Journal of Human-Computer Studies •HCI bibliography
hoe weet je dat een UI “goed” is?
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 Ä experts faster, simple and effective techniques anyone can apply We can ﬁx the user interface at the end Ä good design is more than just user interface Ä having right features, building those features right Good design takes too long / costs too much Ä simple and effective techniques can reduce total development time & cost (ﬁnds problems early on) Good design is just cool graphics Ä 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
• • • • • • • • Ben Shneiderman, Designing the User Interface. Strategies for Effective HumanComputer 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.
? @ErikDuval http://erikduval.wordpress.com 31
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