Regier DA, Sicsic J, Watson V. Choice certainty and deliberative thinking in discrete choice experiments. A theoretical and empirical investigation. J Econ Behav Organ. 2019 Aug;164:235-55. doi: 10.1016/j.jebo.2019.05.031
Williams V, Rousculp MD, Price M, Coles T, Therrien MA, Griffin J, Hollis K, Toback S. Elementary school-located influenza vaccine programs: key stakeholder experiences from initiation to continuation. J Sch Nurs. 2012 Aug 1;28(4):256-67.