Prototyping Sriram Mohan

Outline Why prototype? Low-fidelity prototyping

Why Prototype? Visual Demonstrate sequences of events Investigate alternatives

Recall Story Boards Describe sequences of actions Low-fidelity: details missing not to scale "unprofessional"

High-Fidelity Prototypes Advantages Complete functionality Fully interactive Look and feel of final solution Marketing and sales tool Disadvantages Expensive to develop Time-consuming to create Not effective for requirements gathering

Low-Fidelity Prototypes Advantages Lower development costs Evaluate many alternatives Useful for communication Proof-of-concept Disadvantages Limited utility after requirements Limited usefulness for usability tests Navigational and flow limitations

How to Paper Prototype Base pages Stickies Static elements One page per screen Stickies Content before/after actions Different placement of interface elements Users may change these