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Related Experiment Video

Updated: Oct 27, 2025

Exploring the Neural Correlates of Cognitive Reappraisal in Obsessive-Compulsive Disorder Using Task-based Functional Magnetic Resonance Imaging
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A Reliability Generalization Meta-analysis of the Dimensional Obsessive-Compulsive Scale.

Rubén López-Nicolás1, María Rubio-Aparicio, Carmen López-Ibáñez

  • 1Universidad de Murcia.

Psicothema
|July 23, 2021
PubMed
Summary

The Dimensional Obsessive-Compulsive Scale (DOCS) demonstrates excellent reliability for assessing obsessive-compulsive symptoms. Its scores are suitable for both research and clinical use, confirming its validity as a diagnostic tool.

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Area of Science:

  • Psychological assessment
  • Psychometrics
  • Clinical psychology

Background:

  • The Dimensional Obsessive-Compulsive Scale (DOCS) is a validated instrument for evaluating obsessive-compulsive symptomatology.
  • Reliability generalization meta-analysis is a method to assess the consistency of measurement tools across studies.

Purpose of the Study:

  • To estimate the average reliability of DOCS scores.
  • To identify factors influencing DOCS reliability variations.
  • To determine the reliability induction rate of the DOCS.

Main Methods:

  • A comprehensive literature search identified 86 relevant studies.
  • Meta-analysis techniques were employed to synthesize reliability data.
  • Moderator analyses examined study characteristics affecting reliability.

Main Results:

  • The DOCS total scores showed an average alpha coefficient of .925, indicating excellent internal consistency.
  • Subscale alphas ranged from .881 to .914, demonstrating strong reliability.
  • Internal consistency decreased with higher proportions of clinical/subclinical participants and higher mean scores.

Conclusions:

  • DOCS total and subscale scores exhibit excellent internal consistency reliability.
  • The findings support the suitability of the DOCS for both research and clinical applications.
  • Understanding moderators of reliability enhances the interpretation of DOCS scores.