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: Araştırmacılar park yerinde durup mağazaya giren çıkanları sayarken bir şey dikkatlerini çekti. Gönüllüler iki kapı önünde de durunca insanlar mağazadan hiç çıkmaz oldu.