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Related Experiment Video

Updated: Jun 25, 2026

Assessing Burrowing, Nest Construction, and Hoarding in Mice
08:23

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Published on: January 5, 2012

Excessive acquisition in hoarding.

Randy O Frost1, David F Tolin, Gail Steketee

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

Journal of Anxiety Disorders
|March 6, 2009
PubMed
Summary
This summary is machine-generated.

Excessive acquisition, including compulsive buying, is common in hoarding disorder. This behavior is linked to more severe hoarding, earlier onset, and greater impairment.

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Area of Science:

  • Psychiatry
  • Psychology
  • Behavioral Science

Background:

  • Compulsive hoarding involves acquiring and failing to discard possessions, leading to health risks and burdens.
  • Research has often overlooked specific components like excessive acquisition within hoarding disorder.

Purpose of the Study:

  • To investigate the prevalence and impact of excessive acquisition in individuals with hoarding disorder.
  • To differentiate the roles of excessive buying and acquiring free items in hoarding severity.

Main Methods:

  • An Internet survey was administered to 878 individuals with hoarding disorder and 665 family informants.
  • Participants self-identified with hoarding disorder and met clinical criteria.

Main Results:

  • Approximately 85% of hoarding participants reported excessive acquisition, with nearly 95% confirmed by informants.
  • Excessive acquisition was associated with earlier onset, greater hoarding severity, and increased psychiatric work impairment.
  • Individuals with excessive acquisition reported more symptoms of obsessive-compulsive disorder, depression, and anxiety.

Conclusions:

  • Excessive acquisition is a significant factor in hoarding disorder, contributing to its severity and associated impairments.
  • Both excessive buying and acquiring free items independently predict hoarding severity and related psychological symptoms.