Please see these research articles for more information on behavioral finance.
Boonme, Kittipong, Bartlomiej Hanus, Victor R. Prybutok, Daniel A. Peak, and Christopher Ryan. “Visual Information Influences Consumer Fast-Food Choices.” Nutrition & Food Science 44, no. 4 (July 8, 2014): 279–93.
Choi, James J, David Laibson, Brigitte C Madrian, and Andrew Metrick. “Defined Contribution Pensions: Plan Rules, Participant Choices, and the Path of Least Resistance.” In Tax Policy and the Economy, 16:67–114. MIT Press, 2002.
Karlan, Dean, Margaret McConnell, Sendhil Mullainathan, and Jonathan Zinman. “Getting to the Top of Mind: How Reminders Increase Saving.” National Bureau of Economic Research Working Paper, 2010.