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 Engineering Summer 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-dispositions Research Insights Concept Prototype Evaluation 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

Prototype Marty Siegel Low FidelityHigh Fidelity

Evaluate Great! Now what? Marty Siegel W/o users W/ users

Iterate: Rinse and Repeat

The PRICPE framework Pre-dispositions Research Insights Concept Prototype Evaluation 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-dispositions What do we know about public transportation?

In-class activity: Encouraging the use of Public Transportation using Technology. Step 2: Research What could we do to learn more?

In-class activity: Encouraging the use of Public Transportation using Technology. Step 3: Insights What now? New ideas? New questions?