Does anyone know where I can find some studies that have been done?

Question

over why someone buys more groceries when they're hungry then they do when they're not..

doing a research paper..and have to have different studies of people who've done it

Answer 1

http://www.cnn.com/books/beginnings/9807/reading.people.cnn/index.html

http://www.referenceforbusiness.com/management/Comp-De/Consumer-Behavior.html