{"blocks": [{"key": "f6e278f2", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "a57033ed", "text": "E-commerce platform evaluating advertising effectiveness and diagnosing performance issues.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "dd626f0e", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "6636a15c", "text": "Describe one of your resume projects: which success metrics did you define, how did you evaluate them, and what were the key details of your A/B experiment design? Case 1 – The business wants to increase merchant advertising revenue or merchant GMV. How would you analyze the situation and propose actions? Case 2 – ROI on ads has recently declined. Walk through how you would investigate root causes and recommend fixes.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "95a02edf", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "8bdd2bfd", "text": "Frame objectives, choose north-star and supporting metrics, outline experiment setup, segmentation, funnel and cohort analyses, and hypothesis-driven root-cause investigation.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}