Commentary : Can a Quasi-experimental Design Be a Better Idea than an Experimental One?

Autor:	Labrecque, Jeremy Alexander, Kaufman, Jay Scott
Zdroj:	Epidemiology, 2016 Jul 01. 27(4), 500-502.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26511762 Zobrazit plný text záznamu