During nick's first trip abroad he was surprised to find that people in other cultures ate such foods as snails, squid, insects, lizards, earthworms, seaweed, and rotten-looking cheeses. "one day they will become civilized like us and eat normal foods like krispy kreme donuts, pizza, hot dogs, and hamburgers and cheese fries," he wrote to his parents. nick's remarks illustrate a form of in-group bias called: