Belief Network Analysis: A Relational Approach to Understanding the Structure of Attitudes* Andrei Boutyline University of California, Berkeley Stephen Vaisey Duke University May 20, 2015 Revised and Resubmitted to the American Journal of Sociology * This research was supported by fellowships from National Science Foundation Graduate Research Fellowship Program (NSF-GRFP) and Interdisciplinary Graduate Education and Research Traineeship Program (NSF-IGERT). We thank Neil Fligstein, John Levi Martin, Fabiana Silva, Paul Sniderman, and participants of the Berkeley Mathematical, Analytical and Experimental Sociology working group and the Center for Culture, Organization and Politics workshop for feedback on the paper, and Grigori Nepomniachtchi for generous help with the paper’s formal reasoning. Direct all correspondence to Andrei Boutyline at Department of Sociology, University of California, Berkeley, CA 94720. Email: boutyline@berkeley.edu