{"blocks": [{"key": "ef541a78", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "763aa0d8", "text": "A product team wants to introduce a feature that, for users with multiple accounts, orders those accounts by descending count of unread notifications.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "3d45d3b2", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "4efa332c", "text": "How would you determine, using data, whether prioritizing accounts by unread-notification count is a worthwhile idea?", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "f1d4830f", "text": "Design an A/B experiment to validate this feature. Specify population, treatment, control, success metrics, and test duration.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b1231120", "text": "Imagine the test shows that the frequency of account switching drops while the total number of active accounts rises. How would you interpret this result and decide next steps?", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "f24dfdf8", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "7db65925", "text": "Think about exploratory historical analysis, customer behavior segmentation, primary vs. guard-rail metrics, experiment power, and reconciling conflicting short-term and long-term signals.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}