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September 23, 2025NEJM Evidence

How Propensity Scores Work

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Authors

MFMichael FralickCHC. Corey HardinDMDaniel J. Müller

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Overview

This animated video demonstrates how propensity scores control for observed confounders in non-randomized studies.

Key Points

  • Propensity scores effectively account for observed confounders in statistical analysis.
  • They are particularly useful in non-randomized studies, where random assignment isn't possible.
  • Understanding propensity scores can improve the accuracy of study results.
  • The video provides a visual and engaging explanation of this statistical method.

Cite This Study

Fralick et al. (2025) studied this question.

synapsesocial.com/papers/68d440a6713b0b5dfea7ff17https://doi.org/10.1056/evidstat2500246
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