Answer:
Cultural transmission
Step-by-step explanation:
Cultural transmission happens when cultural elements are passed from one person to another. Cultural elements are: language, values, beliefs, attitudes, customs and behaviors.
Learning from classmates is adopted behavior and an example of cultural transmission by coping. The person who gathered this piece of information would probably copy their friends and also buy lunch on a Friday. It is a way to show belonging to a particular group of people as opposed to sticking out.