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This is a medium difficulty Statistics & Math question, commonly asked during Technical Screen rounds at Meta.

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This question is commonly asked for Data Scientist candidates at Meta during technical interviews.

Contrast OLS, DiD, and PSM assumptions

Last updated: Mar 29, 2026

Quick Overview

This question evaluates proficiency in causal inference and econometric methods, specifically the ability to contrast OLS, two-way fixed-effects DiD, and propensity score matching (PSM) assumptions, diagnostics, and estimation strategies for treatment-effect analysis.

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Contrast OLS, DiD, and PSM assumptions

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