Sigmund Freud established the first psychology laboratory at the University of Vienna, Austria.

Psychology is best defined today as the study of mental life.

The biggest and most persistent issue in psychology concerns the nature–nurture controversy—that is, the relative contributions of biology and experience to psycho¬logical traits and behavior.

Human intuition is remarkably accurate and free from error.

The scientific finding that depressed people tend to have low self-esteem proves that depression causes people to be down on themselves.