{"blocks": [{"key": "2e7e67f2", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "1881d5f0", "text": "Phone interview emphasising causal inference techniques.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "db38970d", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d6b65f00", "text": "What is Propensity Score Matching (PSM)? List its main assumptions, outline the implementation steps, and describe how you would assess covariate balance after matching.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "1ee923e6", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "5d1e2f97", "text": "Discuss unconfoundedness, common support, caliper, and standardized mean differences.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}