{"blocks": [{"key": "ccc00f54", "text": "Scenario: Marketing is running an email campaign while Product ships a new messaging function; you must test both.", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "992c75e9", "text": "Question 1: How would you design experiments to isolate each feature’s effect while accounting for potential interaction?", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "fc767de3", "text": "Question 2: Detail how you would calculate sample size, statistical power, and test duration.", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "5066a95d", "text": "Question 3: Discuss strategies for handling interaction effects, such as factorial or staggered rollouts.", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "f43ad71d", "text": "Question 4: Explain considerations for sequential testing and maintaining statistical validity.", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}