Case Study: Redesign a Checkout Flow
A full worked answer to the classic 'this flow is broken, fix it' whiteboard prompt: clarifying questions, hypothesis generation, prioritization under time pressure, a sketched solution, and how you'd validate it
Model interview answer for the live design-interview prompt 'checkout has a 68% abandonment rate at the payment step — walk me through your approach' in 20 minutes: the clarifying questions that separate a strong candidate from a guesser, framing the problem as a Double Diamond Define step, generating and prioritizing distinct hypotheses for payment-step-specific drop-off, sketching a redesign tied to named interaction and visual design principles, and choosing a validation method sized to the time available.
Practice questions (5)
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Live Prompt: High Drop-off on the Cart Page Itself
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Live Prompt: Should Checkout Be One Page or Multiple Steps?
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Live Prompt: Redesigning a Grocery App's Delivery-Slot Picker
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Live Prompt: A B2B Checkout Where One Person Buys but Another Approves
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Live Prompt: The Redesign Shipped and Abandonment Got Worse
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