A strength of the psychodynamic explanation of human behaviour is that it has practical applications. This is because the principles of the theory, that behaviour is caused by the unconscious mind has led to the treatment of psychoanalysis, which can be used to treat abnormalities in the real world, such as depression and anxiety by dealing with conflicts hidden in the unconscious. Therefore, the psychodynamic approach of human behaviour is an important part of applied psychology as it helps to treat people in the real world.