Contemporary psychology is a vast field that explores everything from cognitive processes to mental health to social behavior. However, during the late 19th century, the field was still finding its ...

Thirty-seven years later, that paper, “The moderator–mediator variable distinction in social psychological research,” remains the most cited paper in the history of psychology. It has been ...

Martin Sixsmith presents a history of psychology and seeks to understand what makes us think, feel and act the way we do.