Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Does the MMPI-168 exaggerate psychotic pathology?

P M Dingemans¹, E M Wekking

¹University of Amsterdam, Department of Psychodiagnostics, The Netherlands.

Journal of Clinical Psychology

|May 1, 1996

Summary

The MMPI-168 schizophrenia scale overestimates "psychotic" diagnoses compared to Dutch and American versions in psychiatric patients. This version more frequently identifies profiles as schizophrenic, impacting diagnostic accuracy.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The Strauss and Carpenter Prognostic Scale in subjects clinically at high risk of psychosis.

Acta psychiatrica Scandinavica·2012

Same author

Treatment effect modifiers for the patient education programme for Parkinson's disease.

International journal of clinical practice·2011

Same author

Cannabis use and age at onset of symptoms in subjects at clinical high risk for psychosis.

Acta psychiatrica Scandinavica·2011

Same author

Three-year course of clinical symptomatology in young people at ultra high risk for transition to psychosis.

Acta psychiatrica Scandinavica·2010

Same author

Neurocognitive functioning before and after the first psychotic episode: does psychosis result in cognitive deterioration?

Psychological medicine·2010

Same author

Verbal fluency as a possible predictor for psychosis.

European psychiatry : the journal of the Association of European Psychiatrists·2009

Area of Science:

Psychological Assessment
Psychopathology
Psychometric Evaluation

Background:

The Minnesota Multiphasic Personality Inventory (MMPI) is a widely used psychometric tool.
Different scoring versions of the MMPI exist, potentially leading to varied interpretations.
Accurate identification of schizophrenia and psychotic features is crucial in psychiatric diagnosis.

Purpose of the Study:

To compare the diagnostic performance of three MMPI scoring versions.
To investigate potential overestimation of schizophrenia and psychotic code types by the MMPI-168 scale.
To inform clinical practice regarding MMPI interpretation.

Main Methods:

A multivariate design was employed to compare three MMPI scoring versions.
The study included a sample of 198 psychiatric patients.
Statistical analysis was used to compare scale elevations across versions.

Main Results:

The MMPI-168 schizophrenia scale showed statistically higher elevations compared to Dutch and American scoring versions.
MMPI-168 profiles were more frequently classified as

Conclusions:

The MMPI-168 schizophrenia scale demonstrates a tendency to overscore psychotic code types.
Clinicians should be aware of the potential for inflated schizophrenia scores with the MMPI-168.
Further research may be needed to refine MMPI scoring for accurate psychopathology assessment.

Related Experiment Videos