QuizMe

* השאלה נוספה בתאריך: 19-02-2025

		Using Instrumental Variables
		Matching vaccinated and unvaccinated individuals by SES (socioeconomic)
		Conducting an RCT in each SES group
		Using a simple t-test to compare hospitalization rates

A researcher wants to compare COVID-19 vaccine effectiveness between different socioeconomic groups. What method would best ensure fair comparisons?