{"blocks": [{"key": "4c04bde0", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "40bf2d3e", "text": "Roblox analytics team wants to verify whether players prefer games created by local creators.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "1745cf81", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "7dd0f2ef", "text": "Define primary and secondary metrics to measure player preference for local creators. If an A/B test is impossible, outline an analysis plan that credibly estimates the causal effect while mitigating selection bias.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "1bd699a3", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ca383c65", "text": "Discuss time-per-session, sessions count, matching, IV, DID.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}