John became friends with some local students while visiting Cambodia. John's new friends took him out to a nice restaurant and ordered a popular delicacy, grilled tarantulas. John, having lived in the United States his entire life, couldn't bring himself to eat the big, hairy, chunky spiders. John's reaction is a result of ______.
Ethnocentrism is evaluating other people's culture in view of yours. John was not used to his new friends culture, it was difficult for him eating their food.