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MMPI subtypes for chronic phencyclidine (PCP) abusers.

J M Herrera1, A Okonek, M Parent

  • 1Clinical Research Unit, Metropolitan State Hospital, Norwalk, California.

Journal of Substance Abuse Treatment
|January 1, 1988
PubMed
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This study used cluster analysis on MMPI profiles of chronic phencyclidine (PCP) abusers. Findings suggest similar MMPI profiles across different substance abuse populations may indicate developmental stages.

Area of Science:

  • Psychiatry
  • Psychology
  • Substance Abuse Research

Background:

  • Chronic phencyclidine (PCP) abuse is a significant public health concern.
  • Understanding the psychological profiles of substance abusers is crucial for effective treatment.
  • The Minnesota Multiphasic Personality Inventory (MMPI) is a widely used psychological assessment tool.

Purpose of the Study:

  • To apply empirical clustering procedures to MMPI data from chronic phencyclidine (PCP) abusers.
  • To identify distinct MMPI profile types within this population.
  • To explore the potential for an empirical typology of substance abuse based on psychological profiles.

Main Methods:

  • 196 chronic phencyclidine (PCP) abusers' MMPI protocols were analyzed.
  • Subjects were randomly divided into two groups.

Related Experiment Videos

  • Two cluster analysis methods (average linkage and Ward's hierarchical procedure) were employed.

    • Main Results:

    • Both cluster analysis methods yielded highly comparable results within each group.
    • The MMPI profiles identified in both groups were notably similar.
    • This suggests a consistent psychological pattern among chronic PCP abusers.

    Conclusions:

    • The study identified consistent MMPI profile types in chronic PCP abusers.
    • Further cluster analytic studies across diverse substance abuse populations are recommended.
    • Replication could lead to an empirical typology of substance abuse, potentially depicting developmental stages.