Social psychologists describe human behavior in terms of the interaction between a person's mental state and their immediate environment. In social situations, a person's behavior is primarily determined by the presence of other people. Different situations lead to different behavioral outcomes. For example, we act one way when we are a student in a packed lecture hall, another way when we are a commuter on a bus, and yet another way when we are waiting in line at Disney Land. When we are amongst our peers and friends we may be talkative and gregarious; when we are grouped with Continue reading...