{"blocks": [{"key": "61c9cb2c", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "882d390a", "text": "A PM suspects the \"Re-share\" feature is harming overall user engagement on the platform.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b93ff410", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ec1fbff5", "text": "How would you determine whether the Re-share button negatively impacts engagement? Which metrics or data sources would you analyze? How would you design and execute an experiment to test this hypothesis?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d8197002", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c933bf8c", "text": "List core and guardrail metrics, propose A/B or diff-in-diff design, discuss segmentation, statistical power, experiment duration, and potential confounders.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}