This encyclopedia is designed to do what serious academic publications cannot do: to provide everyone who is interested in the theoretical and practical aspects of psychological knowledge with accurate and universal tools collected over almost two centuries of the existence and development of psychological science. The development of a unified terminology understandable to everyone (both professionals and amateurs), a clear explanation of specific topics that traditionally cause ambiguous interpretation, an accurate formulation of basic definitions, knowledge of key facts in the biographies of the stars of world psychology - all this makes the encyclopedia a necessary and sought-after publication in a diverse and weak market. systematized psychological literature. The body of knowledge contained in the encyclopedia will not only help you expand your erudition, but will also teach you to more astutely observe the world around you, better understand people and yourself. The material in the book is presented in the form of articles arranged in alphabetical order, and it can be read from any places by selecting the topic that interests you most.