english: The researchers were out in the parking lot, and they were counting people as they came in and out of the store, and they noticed that when the volunteers stood in front of both doors, people stopped coming out of the store at all.
non_english: Istraživači su bili na parkingu, brojali su ljude dok su ulazili i izlazili iz prodavnice i primetili su da su, kada su volonteri stajali pred oba ulaza, ljudi sasvim prestali da izlaze iz radnje.