This document discusses social influence and the processes of persuasion, conformity, compliance, and obedience. It defines social influence as the intentional or unintentional change of opinions and behaviors of individuals or groups by others. The main processes of social influence discussed are persuasion, conformity, compliance, and obedience. Persuasion can occur through central or peripheral routes, while conformity is influenced by group size, unanimity, and an individual's commitment to the group. Compliance is influenced by various bases of social power and techniques like foot-in-the-door. Obedience is influenced by factors like the distance from victims, closeness to authority, and institutional authority, as shown in Milgram's obedience experiments.