<unk>  is a form of psychotherapy used to treat depression, anxiety disorders, phobias, and other forms of psychopathology. Its philosophical roots can be found in the school of<unk> ism, which states that psychological matters can be studied scientifically by observing overt<unk> , without discussing internal mental states. Without holding inter states as causal, Skinner's radical<unk> ism accepted internal states as part of a causal chain of<unk>  but continued to hold that the only way to improve the internal state was through environmental manipulation.
Behaviour therapy
Psychotherapy
Cognitive-behavioral therapy
Grief therapy
Psychodynamic psychotherapy
Dialectical behavioral therapy
Mind–body intervention
Positive behavior support