Evaluate and Experiment: Jogging Route Recommendations in Google Maps
Context
Google Maps is considering a feature that recommends optimal jogging routes (e.g., safe, scenic, appropriate distance/elevation) when a user indicates intent to go for a run.
Task
Design how you would:
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Assess whether the idea is valuable for users and for the business.
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Launch an experiment to validate impact, including:
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Primary and secondary success metrics
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Triggering/eligibility logic
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Unit of randomization
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Guardrail metrics
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Minimum Detectable Effect (MDE) and power assumptions
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How to log/track recommendation events
Hints
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Define a primary KPI (e.g., completed jogs) and secondary metrics (adoption, satisfaction, safety proxies, engagement).
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Specify how a “trigger” is defined and when a user is exposed.
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Choose a randomization unit that minimizes contamination.
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Provide MDE math with concrete numeric assumptions.
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Outline the event schema for impressions, accepts, starts, and completes.