Use the cards to control the lecture… Usability Design.

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Presentation transcript:

Use the cards to control the lecture…

Usability Design

Everything has an Interface

Frustration?

Visibility ?

Example

Affordance

Mapping

Conceptual Model

Designing for the User designer’s model user’s model system reality

Designing for the User designer’s model user’s model system reality

Usability & the product cycle Field studies/surveys Paper prototyping Cognitive walkthroughs Rapid iterative testing Longitudinal field studies Instrumented version (throughout cycle) Baseline/comparative studies Time Concept Specification Coding Testing (QA) Ship

The wrong way RTFM The paradox of choice Good UI is expensive, bad UI is even more expensive

Recap Visibility (and Feedback) Affordance Mapping Conceptual Models User-centered Design

Recap Visibility (and Feedback) Affordance Mapping Conceptual Models User-centered Design

Heaven Help Us…

Usability Questions What user needs can the product satisfy? What user needs does the current product miss? What design will solve those problems? How can the user succeed at task X? What can users do with the product? Is this product enjoyable to use? What can our competitor’s product do?

Usability Activities Conduct iterative lab studies of products in development. Cognitive walkthroughs Customer visits--study users in real-world locations. Write/review/contribute to UI specs Engage with industry groups on common ease of use issues. Competitive evaluation. Surveys Statistical consultation and analysis.