Which of the following is NOT a clinical scale in the Minnesota Multiphasic Personality Inventory?

The Minnesota Multiphasic Personality Inventory (MMPI) has the following clinical scales: hypochondriasis, indicating stress over physical health; depression, indicating hopelessness; hysteria, indicating anxiety and tension; psychopathic, indicating aggression, acting out, and rebellion; masculinity–femininity, indicating gender identity; paranoia, indicating disturbed thinking; psychasthenia, indicating worrying; schizophrenia, indicating orientation to reality; hypomania, indicating energy; and social introversion, indicating being withdrawn