Three strangers are standing at a street corner waiting for a traffic light to change. Do they constitute a group? Five? hundred women and men are first-year graduate students at a university. Do they constitute a group? In everyday usage. we use the word group to mean any collection of people. According to sociologists. however. the answer to these questions is no; individuals who happen to share a common feature or to be in the same place at the same lime do not constitute social groups social groups.