A novel cognitive intervention for compulsive checking: Targeting maladaptive beliefs about memory
Section snippets
Participants
Participants (N = 24) were individuals with a diagnosis of OCD who reported significant checking and/or doubting symptoms. Doubt and checking compulsions were required to cause significant distress and/or interference and to be evident for at least one hour per day. Exclusion criteria were the presence of current substance dependence, bipolar disorder, or psychosis. Participants were recruited from a registry of individuals with OCD interested in research studies, via campus flyers, classroom
Effect of intervention on beliefs about memory
A 2 × 2 repeated measures MANCOVA was conducted, with baseline DM-BAM as a covariate, condition (treatment vs. waitlist) as the between participants variable, and time (pre- vs. post-assessment) as the within-participants variable. The two dependent variables of interest were DM-BAM and BAMI scores. Results showed that the covariate accounted for significant variance in the dependent variables, F(1,21) = 30.49, p < .001, = .59. There was no main effect of time, F(1,21) = 1.01, p = .33,
Discussion
Two sessions of a cognitive intervention targeting maladaptive beliefs about memory were found to decrease these beliefs, in addition to time spent checking and associated symptoms, as well as leading to increases in memory performance. Further, we found some support for our prediction that the changes in beliefs about memory were responsible for post-assessment checking behaviour and symptoms, suggesting that the treatment effects seen were indeed due to changes in beliefs about memory. These
Sources of funding
The authors gratefully acknowledge the Canadian Institutes of Health Research Grant FRN 119283 and the National Sciences and Engineering Research Council of Canada 249 833 2007, both awarded to Adam S. Radomsky, for funding portions of this research. Neither funding agency had any role in decisions regarding the current study, including the design, data collection, analyses, writing, or decision to publish.
Acknowledgements
Special thanks to Jessica Senn for administering the neuropsychological tests, and to Sarah Schell, Kelsey Hannon, and Sasha MacNeil, for their help with recruitment, data entry, and coding.
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