How Statistical Power Works.

Li, Suellen; Hardin, C Corey; Muller, Daniel; Ling, Emily; Vining, Tim; Normand, Sharon-Lise; Sacks, Chana A · NEJM Evid · 2023

review · Level V

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Abstract

How Statistical Power WorksThis Stats, STAT! animated video explores the concept of statistical power and explains how clinical investigators determine how many participants to enroll in a randomized trial.