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Related Experiment Videos

Measurement of compulsive hoarding: saving inventory-revised.

Randy O Frost1, Gail Steketee, Jessica Grisham

  • 1Department of Psychology, Smith College, Northampton, MA 01063, USA. rfrost@email.smith.edu

Behaviour Research and Therapy
|September 8, 2004
PubMed
Summary

The Saving Inventory-Revised (SI-R) is a reliable tool for measuring compulsive hoarding. It accurately identifies hoarding symptoms across various groups, distinguishing individuals with hoarding disorder.

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Area of Science:

  • Psychology
  • Clinical Psychology
  • Psychopathology

Background:

  • Compulsive hoarding is a complex condition characterized by difficulty discarding possessions.
  • Existing measures may not fully capture the multifaceted nature of hoarding symptoms.
  • A validated instrument is needed for accurate assessment in clinical and research settings.

Purpose of the Study:

  • To introduce and validate the Saving Inventory-Revised (SI-R) as a measure of compulsive hoarding.
  • To examine the psychometric properties of the SI-R in diverse populations.
  • To assess the SI-R's ability to differentiate hoarding from other conditions.

Main Methods:

  • Four studies involving participants with hoarding disorder, OCD without hoarding, community controls, and elderly individuals.

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  • Factor analysis to identify underlying dimensions of hoarding.
  • Reliability (internal consistency, test-retest) and validity (correlations with other measures) analyses.

    • Main Results:

    • Factor analysis revealed three core factors: difficulty discarding, excessive clutter, and excessive acquisition.
    • The SI-R demonstrated good internal consistency and test-retest reliability.
    • The SI-R effectively distinguished hoarding participants from all non-hoarding comparison groups.
    • The SI-R showed strong correlations with hoarding-specific measures and weaker correlations with general psychological constructs.

    Conclusions:

    • The Saving Inventory-Revised (SI-R) is a psychometrically sound instrument for assessing compulsive hoarding.
    • The SI-R is suitable for use in both clinical and non-clinical samples.
    • This measure aids in the accurate diagnosis and study of hoarding disorder.