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Validity and Reliability of the Turkish Version of the Perceptual Aberration Scale in University Students

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Author(s): Erguvan Tuğba ÖZEL KIZIL | Meram CAN SAKA | İpek GÖNÜLLÜ | Müge ARTAR | Bora BASKAK | M. Kazım YAZICI | Füsun ÇUHADAROĞLU | Özden PALAOĞLU | E. Cem ATBAŞOĞLU

Journal: Nöropsikiyatri Arşivi
ISSN 1300-0667

Volume: 46;
Issue: Suppl 1;
Start page: 49;
Date: 2009;
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Keywords: Schizotypy | perceptual aberrations | schizotypal personality disorder | validity | reliability

ABSTRACT
Objective: Perceptual aberration is an important dimension of schizotypy which has been considered as a clinical determinant of psychosis proneness. The present study aimed to explore the validity and the reliability of the Turkish version of the Perceptual Aberration Scale. Methods: Internal consistency of the Perceptual Aberration Scale was studied in 222 university students and for test-retest reliability, the scale was readministered to 105 students. Convergent validity of the scale was measured by the Magical Ideation Scale in 128 students.Results: The internal consistency of the scale was Cronbach’s alpha=0.90 and the test-retest reliability was r=0.59. The convergent validity of the scale was established by a significant correlation between the scores of the Magical Ideation Scale and the Perceptual Aberration Scale.Discussion: The Turkish version of the Perceptual Aberration Scale is a reliable instrument, which can be used to quantify the important dimension of schizotypy in university students. The scale should be validated in community-based samples and also the predictive validity of the scale should be investigated. (Archives of Neuropsychiatry 2009; 46 Supplement: 49-53)

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