A young man walks into a grocery store and puts some food in his shopping cart. He then puts a blanket on the floor near the cashiers and proceeds to...

A young man walks into a grocery store and puts some food in his shopping cart. He then puts a blanket on the floor near the cashiers and proceeds to eat the food from his cart rather than pay for it. Customers and employees are shocked and are not sure what to do. The young man seems to be gauging all of their responses and then runs out of the store before the manager approaches him. What type of experiment could the young man be conducting?