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Day 1: Introduction to multi-level data problems

Day 1: Introduction to multi-level data problems

Day 1: Introduction to multi-level data problems

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The ecological fallacy<br />

◮ The ecological fallacy refers <strong>to</strong> the fallacy of inferring<br />

individual behavior from aggregate <strong>data</strong> – in our context,<br />

inferring Level 1 relationships based on Level 2 units

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