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The Maudsley Obsessional-Compulsive Inventory and OCD in a Norwegian nonclinical sample
I J Støylen1, S Larsen, G Kvale
1Department of Clinical Psychology, University of Bergen, Norway. inge.stoylen@psych.uib.no
Abstract:
The 30 item Maudsley Obsessional-Compulsive Inventory (MOCI) was given to 294 under graduate students. The inventory achieved an acceptable internal consistence, but somewhat low reliability. There were no sex difference in total MOCI score, or in any of the subscales. 31% of the variance seemed to be explained by item 18: "attending too much to details", and more than 65% of the variance is explained by the checking subscale. The data give some interesting indications of the prevalence of OCD in the population.
Insights
The Maudsley Obsessional-Compulsive Inventory (MOCI) shows acceptable internal consistency for assessing obsessive-compulsive tendencies in students. However, low reliability and specific item variance suggest areas for refinement in obsessive-compulsive disorder research.
Area of Science:
- Psychology
- Psychiatry
- Clinical Psychology
Background:
- Obsessive-compulsive disorder (OCD) is a significant mental health concern.
- Accurate assessment tools are crucial for understanding OCD prevalence and characteristics.
- The Maudsley Obsessional-Compulsive Inventory (MOCI) is a self-report measure designed to assess OCD symptoms.
Purpose of the Study:
- To evaluate the psychometric properties of the Maudsley Obsessional-Compulsive Inventory (MOCI).
- To investigate the internal consistency, reliability, and sex differences in MOCI scores among undergraduate students.
- To identify specific items or subscales that contribute significantly to the variance in obsessive-compulsive symptom reporting.
Main Methods:
- A cohort of 294 undergraduate students completed the 30-item Maudsley Obsessional-Compulsive Inventory (MOCI).
- Internal consistency and reliability of the MOCI were assessed using standard psychometric analyses.
- Statistical methods were employed to examine sex differences and identify key contributing factors to MOCI scores.
Main Results:
- The Maudsley Obsessional-Compulsive Inventory (MOCI) demonstrated acceptable internal consistency.
- The inventory exhibited somewhat low reliability, indicating potential variability in measurement.
- No significant sex differences were found in total MOCI scores or subscale scores.
- Item 18 ('attending too much to details') explained 31% of the variance, and the 'checking' subscale explained over 65% of the variance.
Conclusions:
- The Maudsley Obsessional-Compulsive Inventory (MOCI) is a potentially useful tool for screening obsessive-compulsive symptoms in student populations.
- The low reliability and significant contribution of specific items/subscales suggest areas for potential revision or further investigation.
- Findings provide preliminary insights into the prevalence and specific symptom dimensions of obsessive-compulsive tendencies within this demographic.