Role of magical thinking in obsessive-compulsive symptoms in an undergraduate sample

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Abstract
Thought action fusion (TAF) is an important presenting feature of many individuals with obsessive–compulsive disorder (OCD). “Magical thinking” is a similar construct (developed within the literature on schizotypy) that may provide a more accurate depiction of difficulties encountered by individuals with OCD. This study seeks to examine relationships between components of magical thinking, TAF, and superstitiousness; establish the extent to which these constructs are independently related to OCD proneness; and establish the extent to which these biased reasoning styles are related to each of the major OCD symptom clusters (e.g., washing, checking). The Padua Inventory (PI), the Maudsley Obsessional–Compulsive Inventory (MOCI), the Magical Ideation Scale (MI), the Lucky Behaviours (Lbeh) and Lucky Beliefs (Lbel) Scales, and the Thought Action Fusion-Revised scale (TAF-R) were given to a cohort of 86 undergraduate students. Of all the measures, the MI scale was found to be the most strongly related to obsessive–compulsive symptoms. Large and significant relationships between MI scores and the two measures of OCD (i.e., MOCI and PI) were obtained even when alternative mediators (i.e., Lbeh, Lbel, TAF-R) were held constant. No other variable remained significantly related to the MOCI or PI when magical ideation scores were held constant. The findings suggest that a general magical thinking tendency may underpin previous observed links between superstitiousness, thought action fusion, and OCD severity. Depression and Anxiety 19:174–179, 2004.

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