Read a question, then try to solve it on a whiteboard or paper before reading the answer.
Before jumping to solutions, understand the constraints. Ask clarifying questions:
Clarify scope: "Are we focused on reducing wait times, improving vending machine UX, or implementing a digital tap-to-pay solution?" Define metrics: "Let’s assume success is measured by reducing transaction time by 50%." Read a question, then try to solve it
A more in-depth, multi-day project (e.g., "Improve the checkout flow for our e-commerce platform").
Product Design Exercises: Questions and Answers by Artiom Dashinsky Don't Make Me Think by Steve Krug Product Design Exercises: Questions and Answers by Artiom
By the time you finish 10 exercises (using the method above), you won't need the PDF. You will be the exclusive resource.
Theory alone isn't enough. Use the 30+ exercises from PDFs to practice. Seek feedback on your answers from peers or mentors. Consistent practice will help you internalize frameworks, making them second nature. Use the 30+ exercises from PDFs to practice
Counter-Metric: Total app uninstalls or drop-offs in the checkout funnel. Real Interview Questions and Answers
Solution A (The Micro-Dose Fitness App) , because it directly attacks the primary pain points of sedentary inertia and context switching right at the source (the desk). User Flow: The app detects a 15-minute gap in Ian’s calendar.