Regier DA, Watson V, Burnett H, Ungar WJ. Task complexity and response certainty in discrete choice experiments: an application to drug treatments for juvenile idiopathic arthritis. J Behav Exp Econ. 2014 Jun;50:40-9. doi: 10.1016/j.socec.2014.02.009
Goyal RK, Williams DH, Sansgiry SS, Essien J. Awareness and perceived usefulness of the website designed to facilitate informed health insurance purchase decisions. TPHJ. 2010 Jul;62(3):8-11.