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Prototyping: A Component for Successful Projects
Chris GriffithQualcomm, Inc.
User Experience Group
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Available for iPhone
http://bit.ly/ctSHPY
Conference App Available
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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)
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Source: http://www.whattofix.com/blog/archives/2008/05/peace_for_pachy.php
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Short Timeframes
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Build only what you need
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Don’t be afraid to throw it out
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Types of Prototyping
•Low Fidelity
•Medium Fidelity
•High Fidelity
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Low Fidelity
•Quick to develop
•Allows for explorations of ideas
•Can be more difficult to conduct user studies
•Zero coding!
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Paper Prototyping
Source: http://usereccentric.com/entries/000333.html
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Paper Prototyping
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Tools
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Resources
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Medium Fidelity
•More “real” user experience
•Longer design time
•Longer development time
•Some level of programming
•“Golden Path” / Slideshow
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Medium Fidelity
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Tools
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High Fidelity
•Closer to reality
•Greater design requirements
•More development time
•Can serve as a reference platform for other groups (Engineering, QA, Marketing)
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High Fidelity
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Tools
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Demos
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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”>
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Source http://usability.wikimedia.org/wiki/File:Research-Photo-LabTesting.jpg
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Prototyping Pitfalls
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Fidelity Trap
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“Looks Done to me! Ship IT!”
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Prototyping: A Practitioner's Guide
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Keys to Successful Prototyping
•Short development time
•Throw-away code (mostly)
•Fake it (when you can)
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Q&A
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Thanks!