- Social psychology is the scientific study of how people think about, influence and relate to one another. It examines topics like attitude formation, relationships, social influence, and motivations for helping or harming others. - Kurt Lewin is considered the "Father of Social Psychology". Applied social psychology involves applying social psychological constructs, principles, theories and research findings to understand and address social problems. - Social influence refers to how individuals' attitudes and behaviors are shaped by others. Social behavior encompasses behaviors that connect or affect members of the same species, like reproduction and aggression. Social thinking focuses on social problem-solving and understanding other perspectives.