Understanding Interaction Design

What makes design 'good' or 'poor'?

• Effectiveness: Does it accomplish its purpose?

• Efficiency: Can users perform tasks with minimal effort?

• Safety: Does it protect users from harm or errors?

• Utility: Does it provide the right functionality?

• Learnability: Is it easy to learn?

What are examples of good design?

• Apple's iPhone interface: Intuitive touch gestures, consistent navigation

• Google search: Simple, focused on core functionality

• Amazon E-Commerce Platform (User-Centered Design)

• Google Maps (Navigation & Accessibility)

What are examples of poor design?

• Confusing remote controls with dozens of similar buttons

• Doors that don't indicate whether to push or pull

• Software with hidden or nested menus

• Websites with overwhelming options

What are the consequences of design decisions?

• Good design: Satisfaction, efficiency, safety, engagement

• Poor design: Frustration, errors, abandonment, time wasted

What are the digital design considerations?

• Visibility

• Feedback

• Mental models

• Consistency

• Learnability

What should be considered for visibility in digital design?

• Making Digital Affordances Clear

• Hidden or Unclear Affordances

What is the consideration for feedback in digital design?

• Providing Instant & Meaningful Feedback

• Lack of Feedback Leads to Uncertainty

What is the consideration for mental models in digital design?

• Aligning Design with User Expectations

• Misaligned Mental Models

What is the consideration for consistency in digital design?

• Maintaining a Unified Experience

• Inconsistencies Lead to Frustration

What is the consideration for learnability in digital design?

• Making Digital Systems Intuitive

• Steep Learning Curves