Safety Behavior Increases Obsession-Related Cognitions About the Severity of Threat

Sophie L. van Uijen*, Marieke B.J. Toffolo

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review


This study investigated whether checking behavior, the most common safety behavior in obsessive-compulsive disorder (OCD), contributes to the development of OCD symptoms. Ninety healthy undergraduates spent a week between a pre- and posttest either actively engaging in clinically representative checking behavior on a daily basis (experimental group, n=30), monitoring their normal checking behavior (monitor group, n=30), or received no instructions on checking behavior (control group, n=30). Cognitions about the severity of threat increased from pre- to posttest in the experimental group, but not in the monitor and control groups. Cognitions about the importance of checking decreased in the monitor group. The results indicate that checking behavior contributes directly to the exacerbation of OCD symptoms. Together with the findings of previous studies, this suggests that safety behavior may be involved in the development of anxiety disorders and OCD. Potential mechanisms of how engaging in safety behavior increases threat perception are discussed.

Original languageEnglish
Pages (from-to)521-531
Number of pages11
JournalBehavior Therapy
Issue number4
Publication statusPublished - 29 Jul 2015
Externally publishedYes


  • Checking
  • Obsessive-compulsive disorder
  • Safety behavior
  • Threat overestimation


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