Basically there are four goal of psychology 1. DESCRIBE 2. PREDICT 3. UNDERSTAND 4. CONTROL
DESCRIBE Description help psychologist to distinguised between normal and abnormal behavior. It is easy to understanding and perspective on human and animals behavior , action and thought.
UNDERSTAND facts and principles through which behavior can be easily understood. evaluate and explain the fact and relationship of behavior and mental process. It leads naturally to better prediction and control of behavior .
PREDICT prediction of mental activity can be determined by looking at past observed behavior Psychologist aim to predict how that behavior will appear again in future A successful prediction is based on a knowledge of the stimuli which provokes the behavior.
CONTROL Psychology aim to change ,influence , or control behavior to make positive , constructive , meaningful and change in people life. For mental illness to enhancing human well-being , change human behavior is a huge focus of psychology.