Review of last lecture
1. Norman’s 2 Gulfs are…– Gulf of Execution and Gulf of Evaluation
2. Goals of usability engineering include…– Effectiveness, safety, utility, learnability,
memorability, efficiency, …3. Design principles for usable products?– Visibility, feedback, constraints, affordance, …
Designing
CS 352 Usability EngineeringSummer 2010
From last lecture…
Process activities for interaction design:1. Identifying needs/requirements • of the user experience.
2. Developing many alternative design ideas• that meet the requirements.
3. Building interactive versions of the designs • to communicate/assess.
4. Evaluating • throughout the process.
3
This lecture…
• A framework for conducting interaction design– Think of it as an elaboration of the four process
activities• In-class activity applying the framework to a
problem
HCI (d) Human Computer Interaction Design
Mike Madison
The PRICPE framework
Pre-dispositionsResearchInsightsConcept
PrototypeEvaluation
Marty Siegel
Pre-dispositions
What do you know?
What DON’T you know?
Marty Siegel
Research
User Study
Book / Web Research
Marty Siegel
•Interview•Contextual inquiry•Questionnaire…
New ideas
New questions
Insights
Marty Siegel
Concept
• Inklings of design…
Mike Madison, Jason De Runa, Jordan Fugate, Sakshi Gupta
Prototype
“An example or working model.”
Allows you to explore your ideas before investing time and money into development.
Michael McCurdy, Christopher Connors, Guy Pyrzak, Bob Kanefsky, and Alonso Vera
PrototypeMarty Siegel
Low Fidelity High Fidelity
Evaluate
Great!
Now what?
Marty Siegel
W/o usersW/ users
Iterate:
Rinse and Repeat
The PRICPE framework
Pre-dispositionsResearchInsightsConcept
PrototypeEvaluation
Marty Siegel
In-class activity:
• Encouraging the use of Public Transportation using Technology.
In-class activity:
Encouraging the use of Public Transportation using Technology.
Step 1: Pre-dispositionsWhat do we know about public transportation?
In-class activity:
Encouraging the use of Public Transportation using Technology.
Step 2: ResearchWhat could we do to learn more?
In-class activity:
Encouraging the use of Public Transportation using Technology.
Step 3: InsightsWhat now? New ideas? New questions?
