Study in which how elementary-aged children choose where to sit during lunch is explored by watching their movements in the lunch room. Study in which how individuals choose which college to attend is explored by having the individuals respond to surveys. Study in which how career choices impact overall life satisifiction is studied by collecting data when individuals are 22, 25, 30, 35, 40, 50, and 60.Study in which the impact of beverage choice (water, soda, coffee and nothing) on the length of a study session is explored.