MORGAN, Stephen L. Counterfactuals and causal inference : methods and principles for social research / Stephen L. MORGAN, Christopher WINSHIP - New York : Cambridge University Press, 2015 - 499 p. ; 26 cm. - Analytical methods for social research . ISBN: 9781107694163 Subjects--Topical Terms: Ciències socials--Investigació--MetodologiaCausalitat Index Terms--Genre/Form: CIENCIAS SOCIALESINVESTIGACIÓNMETODOLOGÍA