A case study is the best way to gain a large amount of data from many different participants at a bare minimum of expense

Which of the following is NOT one of the major causes of the obesity epidemic as described in the book?

a. Serving portion size. b. Stress. c. Snacking. d. Fast-food consumption.

Based on research presented in the text, if Emily wants to pick the best car of all the options she has considered, what should she do?

a. approach the decision slowly and deliberately b. consciously evaluate all the options for all the cars for several hours c. consciously evaluate all the options for a few minutes, then distract herself with a puzzle game on her phone for a few minutes before choosing d. distract herself with a puzzle game on her phone for several hours