Book excerpt: This edition approaches psychology as a discipline with antecedents in philosophical speculation and early scientific experimentation. It covers these early developments, 19th-century German experimental psychology and empirical psychology in tradition of William James, the 20th century dubbed "the age of schools" and dominated by psychoanalysis, behavioralism, structuralism, and Gestalt psychology, as well as the return to empirical methods and active models of human agency. Finally it evaluates psychology in the new millennium and developments in terms of women in psychology, industrial psychology and social justice