{"blocks": [{"key": "d81f22ea", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "6ef9ec55", "text": "After computing cohort-level posting metrics, stakeholders need to know if creator behavior differs across cohorts.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "9dd8ae38", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "560d78a7", "text": "How would you evaluate whether posting patterns are the same or different among cohorts? Which metrics, visualizations, and statistical tests would you use, and what thresholds or criteria would drive your conclusion?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "0307b0fd", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "3dab66ce", "text": "Think retention curves, average posts per user, KS-test/ANOVA, confidence intervals, visual overlays.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}