Prototyping: A Component for Successful Projects
Chris GriffithQualcomm, Inc.
User Experience Group
Available for iPhone
http://bit.ly/ctSHPY
Conference App Available
What is Prototyping
…incomplete versions of the software program being developed. A prototype typically implements only a small subset of the features of the eventual program, and the implementation may be completely different from that of the eventual product.
(http://en.wikipedia.org/wiki/Software_prototyping)
Source: http://www.whattofix.com/blog/archives/2008/05/peace_for_pachy.php
Short Timeframes
Build only what you need
Don’t be afraid to throw it out
Types of Prototyping
•Low Fidelity
•Medium Fidelity
•High Fidelity
Low Fidelity
•Quick to develop
•Allows for explorations of ideas
•Can be more difficult to conduct user studies
•Zero coding!
Paper Prototyping
Source: http://usereccentric.com/entries/000333.html
Paper Prototyping
Tools
Resources
Medium Fidelity
•More “real” user experience
•Longer design time
•Longer development time
•Some level of programming
•“Golden Path” / Slideshow
Medium Fidelity
Tools
High Fidelity
•Closer to reality
•Greater design requirements
•More development time
•Can serve as a reference platform for other groups (Engineering, QA, Marketing)
High Fidelity
Tools
Demos
iPhone Tricks
<link rel=“apple-touch-icon” href=“myIcon.png”>
<link rel=“apple-touch-icon-precomposed” href=“myIcon.png”>
<meta name=“apple-mobile-web-app-capable” content=“yes”>
<link rel=“apple-touch-startup-image” href=“mySplash.png”>
Source http://usability.wikimedia.org/wiki/File:Research-Photo-LabTesting.jpg
Prototyping Pitfalls
Fidelity Trap
“Looks Done to me! Ship IT!”
Prototyping: A Practitioner's Guide
Keys to Successful Prototyping
•Short development time
•Throw-away code (mostly)
•Fake it (when you can)
Q&A
Thanks!
