Millon Clinical Multiaxial Inventory III (MCMI-III)

MCMI: Description An MMPI-like, true-false inventory 175 items Includes validity, clinical personality, and clinical syndrome scales Based on Millon’s personality theory Tied to DSM-IV diagnoses

MCMI: Test Construction Three phases Theoretical-substantive Internal-structural External-criterion Normed on clinical samples

MCMI: Scales Validity/Modifying Indices X Disclosure Y Desirability Z Debasement

MCMI: Scales (cont) Clinical Personality Severe Personality Pathology 1 Schizoid 2A Avoidant 2B Depressive 3 Dependent 4 Histrionic 5 Narcissistic 6 Antisocial 6B Sadistic (Aggressive) 7 Compulsive 8A Negativistic 8B Masochistic Severe Personality Pathology S Schizotypal C Borderline P Paranoid

MCMI: Scales (cont) Clinical Syndromes Severe Clinical Syndromes A Anxiety H Somatoform N Bipolar: Manic D Dysthymia B Alcohol Dependence T Drug Dependence R PTSD Severe Clinical Syndromes SS Thought Disorder CC Major Depression PP Delusional Disorder

MCMI: Scoring and Interpreting Base Rate Anchors 115 Maximum raw score 85 Prevalence PD disorder (1-8) or Prev of “prominent” disorder (A-PP) 75 Prev of PD traits or Prev of present 60 Median for patients 0 Minimum raw score Score adjustment X Disclosure Anxiety/Depression Inpatient adjustment Denial/Complaint adjustment

MCMI: Strengths Relatively brief, easy to administer Easy computer-scoring Good reliability Tied to Millon’s theory Tied to DSM-IV dx (including PD) Use of base rates Some research support

MCMI: Limitations Difficult to score by hand Descriptions and predictions are more theoretically than empirically based Tied to Millon’s personality theory Interpretation, especially of Axis I disorders, is not as easy as it looks