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Development and Preliminary Psychometric Properties of an Instrument for the Measurement of Obsessional Dissociative Experiences: The Van Obsessional Dissociation Questionnaire (VOD-Q)

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Abstract

A growing body of research evidence documents the substantial associations between obsessive-compulsive disorder (OCD) and dissociation. This article describes the development and preliminary psychometric properties of the Van Obsessional Dissociation Questionnaire (VOD-Q). Obsessional dissociation is defined as a tendency to dissociate in reaction to distressing, unwanted and intrusive thoughts, images and impulses. The screening tool is conceptualized to tap obsessional dissociation across three dimensions: obsessional absorption, obsessional depersonalization/ derealization and obsessional amnesia. The VOD-Q, the Padua Inventory-Revised (PI-R), the Dissociative Experiences Scale (DES), and the Obsessive Belief Questionnaire (OBQ-44) were administered in this study. The results showed that the VOD-Q had excellent test-retest reliability (ranging from 0.73 to 0.90) and internal consistency (ranging from 0.90 to 0.97). The VOD-Q total and subscale scores were significantly associated with measures of obsessive-compulsive symptoms and dissociative experiences. OCD patients scored significantly higher on the VOD-Q than community participants. Based on the present findings, the VOD-Q appears to be a reliable and valid instrument for the measurement of obsessional dissociative experiences.

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Authors and Affiliations

  1. Department of Psychology, Yüzüncü Yıl University Faculty of Social Sciences, Van, Turkey

    Murat Boysan

  2. Department of Psychiatry, Yüzüncü Yıl University School of Medicine, Van, Turkey

    Abdullah Yıldırım & Mehmet Celal Kefeli

  3. Department of Psychiatry, Kâtip Çelebi University School of Medicine, İzmir, Turkey

    Lütfullah Beşiroğlu

  4. Department of Psychological Counseling, Erzincan University Faculty of Education, Erzincan, Turkey

    Mücahit Kağan

Authors
  1. Murat Boysan
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  2. Abdullah Yıldırım
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  3. Lütfullah Beşiroğlu
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  4. Mehmet Celal Kefeli
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  5. Mücahit Kağan
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Correspondence to Abdullah Yıldırım.

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Informed consent was obtained from all individual participants included in the study.

Research Involving Human and Animal Rights

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain studies with animals performed by any of the authors. The study received approval from the Yüzüncü Yıl University Human Studies Ethics Committee.

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Boysan, M., Yıldırım, A., Beşiroğlu, L. et al. Development and Preliminary Psychometric Properties of an Instrument for the Measurement of Obsessional Dissociative Experiences: The Van Obsessional Dissociation Questionnaire (VOD-Q). Psychiatr Q 89, 549–568 (2018). https://doi.org/10.1007/s11126-017-9555-2

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