Related Experiment Video

Updated: Aug 13, 2026

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
13:08

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia

Published on: December 2, 2015

Replicated psychometric correlates of schizophrenia

S O Moldin1, I I Gottesman, J P Rice

  • 1Department of Psychiatry, Washington University School of Medicine, St. Louis, MO.

The American Journal of Psychiatry
|June 1, 1991
PubMed
Abstract

Insights

The Minnesota Multiphasic Personality Inventory (MMPI) scales can effectively differentiate schizophrenia from affective disorders. This diagnostic tool proved accurate in both initial classification and cross-validation studies.

Area of Science:

  • Psychiatry
  • Psychometrics
  • Clinical Psychology

Background:

  • Accurate diagnosis of schizophrenia is crucial for effective treatment and research.
  • Previous research suggested specific Minnesota Multiphasic Personality Inventory (MMPI) scales correlate with schizophrenia liability.
  • Differentiating schizophrenia from affective disorders (bipolar and unipolar) is a persistent clinical challenge.

Purpose of the Study:

  • To determine if MMPI scales can differentiate schizophrenia from bipolar and unipolar affective illness based on DSM-III criteria.
  • To cross-validate these MMPI correlates in an independent sample using Research Diagnostic Criteria (RDC).

Main Methods:

  • A criterion sample of 83 patients diagnosed with schizophrenia, bipolar disorder, or major depression using DSM-III.
  • A replication sample of 60 adults with RDC diagnoses of schizophrenia, schizoaffective disorder, bipolar disorder, or unipolar disorder.
  • Logistic regression analysis was used to classify patients in the criterion sample, with results applied to the replication sample.

Main Results:

  • MMPI indicators demonstrated adequate sensitivity, specificity, and predictive power for classifying schizophrenia.
  • A high rate of diagnostic agreement was observed between MMPI classifications and DSM-III diagnoses.
  • Successful cross-validation in the replication sample confirmed the MMPI index's utility for both DSM-III and RDC-defined schizophrenia.

Conclusions:

  • A psychometric index using MMPI scales (paranoid schizophrenia, psychoticism, manifest hostility) can enhance diagnostic efficacy.
  • This MMPI-based index offers a cost-effective method for improving diagnostic accuracy in schizophrenia research and clinical practice.

More Related Videos

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra05:14

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Published on: September 8, 2021

Related Concept Videos

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...
Self-Report Tests of Personality01:22

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
Schizophrenia01:17

Schizophrenia

Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those diagnosed.
Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...