Psychology is currently defined as the scientific study of
Psychology is best defined as the scientific study of behavior in humans and animals.. Behavior is what people and animals do: e.g., what a person says about last night's dream, and how long it takes a rat to run a maze.UESTION #1.2: What makes psychology scientific? Psychology is a science because it follows the empirical method. The scientific status of any endeavor is determined by its method of investigation, not what it studies, or when the research was done, and certainly not by who did the investigation.