This document provides an introduction to sociology and the sociological perspective. It defines sociology as the scientific study of human society and social interactions. It discusses key aspects of the sociological perspective including the sociological imagination, how sociology differs from common sense, and how it uses the scientific method. The chapter also outlines the development of sociology as a discipline and introduces several foundational theorists. It concludes by describing three major theoretical perspectives in sociology: functionalism, conflict theory, and symbolic interactionism.