"Group consciousness: an essay on the principles of collective psychology with attempts to apply them to the interpretation of national life and character" is an important and relevant popular science study by the famous psychologist McDougall, which investigates the phenomenon of collective psychology and its influence on the formation of national identities. The author tries to analyze how the cohesion and interaction of people in a group affect the perception of the world and the solution of joint tasks. He tries to apply these principles to the understanding of national characteristics and the national character of different peoples. This book will help readers to better understand the mechanisms of formation of collective consciousness and its key influence on the formation of society.