Design Thinking
Unit I Comprehensive Study Notes, Practice Exam & Answer Key
1. Core Concepts & Definitions
What is Design Thinking?
Design Thinking is a non-linear, human-centered problem-solving methodology that seeks to understand users, challenge assumptions, reframe problems, and create innovative solutions through hands-on prototyping and testing.
Key Principles & Mindsets
👤 User-Centricity
Placing human needs, emotions, and behaviors at the center of every choice.
🤝 Radical Collaboration
Leveraging multi-disciplinary teams with diverse perspectives for creative output.
⚡ Bias Toward Action
Prioritizing quick experimentation and building low-fi models over talking.
🔍 Embrace Ambiguity
Staying comfortable in uncertain spaces before locking onto a single answer.
History & Evolution
- 1960s (Design Methods): Pioneered by Herbert A. Simon (*The Sciences of the Artificial*), introducing design as a systematic method.
- 1980s (Human Focus): Rolf Faste at Stanford University refined design thinking as a method for creative action.
- 1990s (Commercial Scale): David Kelley founded IDEO (1991), formalizing it for enterprise innovation. Stanford d.school opened in 2004.
2. Design Thinking vs. Traditional Thinking
| Dimension | Traditional Thinking | Design Thinking |
|---|---|---|
| Primary Focus | Optimization, historical trends, risk reduction | User needs, possibilities, rapid experimentation |
| Problem Framing | Assumes problem is already accurately understood | Iteratively reframes core problem using insights |
| Logic Type | Deductive (proving) & Inductive (observing) | Abductive (imagining what could be) |
| Failure Approach | Avoided; viewed as expensive and risky | Embraced early; cheap source of learning |
3. Overview of the 5-Step Process (d.school Model)
Empathize
Understand human needs directly via user interviews, shadow observations, and empathy maps without personal judgment.
Define
Synthesize empathy data into a clear Point of View (POV) statement. Format: [User] needs [Need] because [Insight].
Ideate
Generate large quantities of wild solution ideas using brainstorming, SCAMPER, and "How Might We?" (HMW) prompts.
Prototype
Build low-cost, tangible artifacts (sketches, paper mockups, wireframes) to bring ideas into physical reality quickly.
Test
Put prototypes back into user environments to get validation, refine assumptions, and discover new insights.
4. Unit I Practice Exam
Part A: Short-Answer Questions
Part B: Long-Form Scenario Questions
Task: Apply the 5-stage d.school model to redesign the pediatric MRI experience, listing specific actions for each step.
Task: Explain how Traditional vs. Design Thinking approach this differently, and identify 3 core mindsets required.
5. Detailed Model Answer Key
Part A Answers
Part B Answers
- Empathize: Shadow children and parents; discover anxiety stems from loud noise and sterile rooms.
- Define: "Young pediatric patients need a comforting environment because loud machinery triggers panic." HMW: "How might we turn an MRI into an adventure story?"
- Ideate: Brainstorm turning the scanner room into a themed space (e.g., pirate ship or spaceship).
- Prototype: Apply low-cost vinyl wall decals and give children a storybook framing instructions as "stealth pirate training."
- Test: Trial room with 20 children, measure sedation rates and anxiety score improvements.
- Traditional vs. Design: Traditional assumes money fixes everything and launches promotions immediately. Design Thinking suspends bias, investigates emotional relationships with money, reframes the problem, and tests micro-features.
- 3 Required Mindsets: 1. Embrace Ambiguity, 2. User-Centricity, 3. Bias Toward Action.
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