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?