How Angry am I? Let Me Count the Ways: Question Format Bias in List Experiments  Patrick Flavin Assistant Professor Department of Political Science Baylor University Patrick_J_Flavin@baylor.edu Michael Keane Research Scientist Kaplan University Last updated: May 5, 2009  A previous version of this paper was presented at the 2008 annual meeting of the American Political Science Association. We thank Daniel Corstange for generously making available his LISTIT estimator and the Department of Political Science at the University of Notre Dame for funding participation in the 2008 Cooperative Campaign Analysis Project.