Design Product Notification and Autocomplete Experiments

This interview is for a Product Data Scientist opening on Discord's analytics team. Work through both product experimentation case studies below. Case 1: Subscription notification experiment You are the data scientist embedded with a product team that plans to send a notification to users who look very likely to purchase a paid subscription. What signals or behaviors would you use to classify someone as a "power user" or a "high-intent user" for this purpose? How would you…