About the book: 2021 / Sigmund Freud and Carl Jung developed methods of treating mental illness. Jean Piaget showed how a child's thinking develops, and Lawrence Kohlberg revealed how he learns to perceive where the line between right and wrong is. Kurt Lewin understood how a person's environment affects his personality and behavior. Erik Erikson believed that there are stages of personality development, at each of which a person acquires a certain virtue. Philip Zimbardo found out experimentally that good people are capable of committing evil acts. You will learn about the most important discoveries, theories and new methods for studying our minds in this book. Publishing layout saved in PDF A4 format.