Data analysis using regression and multilevel/hierarchical models / Andrew Gelman, Jennifer Hill. Gelman, Andrew. Hill, Jennifer, Regression analysis. Multilevel models (Statistics) HA31.3 .G45 2007 519.536 22 GED Inculdes index. Includes bibliographical references (p. 575-600) and indexes. Cambridge : New York : Cambridge University Press, c2007. c2007. 2007 Text xxii, 625 p. : eng Analytical methods for social research