Psychology is the empirical and theoretical study of behavior and mental life.
It is a science that investigates the causes anddynamics of behavior patterns, and it is a profession that applies knowledge, skills and techniques to the solutions ofindividual and social problems. A psychologist may be either a scientist, a practitioner, or both, who specializes in the study of behavior and the treatment ofbehavior-related problems. Educational or professional experiences help the psychologist to understand normal humandevelopmental patterns and how people normally perceive, think, and behave in a wide variety of environments and undermany different conditions. The scientist conducts research to add to the ever-expanding fund of knowledge available tocolleagues and the general public. The practitioner is trained to provide professional assistance to children, adolescents andadults, as well as to couples, families and groups.