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Yıl:2003; Cilt: 14; Sayı: 1>> Özet
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Türk Psikiyatri Dergisi; 2003;14(1):31-41
Büyüsel Düşünce Ölçeğinin Türkçe formunun üniversite öğrencilerindeki geçerlik ve güvenilirliği
EC Atbaşoğlu, C Kalaycıoğlu, E Nalçacı
Ankara Ü. Tıp Fak. Psikiyatri ABD, Ankara
Amaç: Şizotipal kişilerin şizofreniye ya da psikoza yatkınlıkları yüksektir. Şizotipinin derecesinin standart biçimde değerlendirilmesi, şizotipal bozukluğa ya da şizofreniye ilişkin araştırmalar için gereklidir. Ancak şizotipal kişilerin hekime başvurma ya da getirilme olasılıkları düşük olduğundan, şizotipi çalışmalarında, klinik dışı popülasyonlarda şizotipal özellikleri olanların saptanmasına ve bu özelliklerin derecesinin belirlenmesine başvurulmaktadır. Bu bozukluğun önemli boyutlarından biri olan büyüsel düşüncenin şiddeti, hem psikoz riskini yordar hem de şizotipinin şiddetini gösterir. Bu çalışmada, bir kendini-bildirim ölçeği olan Büyüsel Düşünce Ölçeği’nin (BDÖ) Türkçe formunun psikometrik özellikleri araştırılmıştır.

Yöntem: İç tutarlılık ve yüksek kesme noktası, 332 tıp fakültesi öğrencisinde çalışılmıştır. Test-tekrar test güvenilirliği için ölçek 43 deneğe 3 hafta sonra tekrar uygulanmıştır, benzer ölçek geçerliği için ölçeğin 96 denekte Normal Ötesi İnanışlar Ölçeği (NİÖ) ile ne kadar uyuştuğuna bakılmıştır.

Bulgular: Ölçeğin iç tutarlılığı, test-tekrar test güvenilirliği ve benzer ölçek geçerliği, klinik dışı genç popülasyonların katıldığı araştırmalarda şizotipinin önemli boyutlarından birini ölçmede yeterli bulunmuştur. Cronbach alfa katsayısı 0.78, test-tekrar test puanları arasındaki korelasyon 0.84, toplam puanın NİÖ puanıyla korelasyonu 0.61’dir. Yüksek kesme puanı, erkeklerde 21, kadınlarda 23, bütün örneklem için 22’dir.

Sonuç: BDÖ’nün, üniversite öğrencilerinin katıldığı araştırmalarda, şizotipinin önemli boyutlarından birini ölçebilen, güvenilir bir ölçek olduğu söylenebilir.
Reliability and Validity of Turkish Version of Magical Ideation Scale in University Students
Objective: Schizoptypal disorder shares many clinical, neuropsychological and neurophysiological features with schizophrenia and is included in the schizophrenia spectrum. Patients with schizotypal disorder or individuals with mild schizotypal features are therefore highly valuable in the study of neuropsychological and neurophysiological characteristics of psychosis, and in particular schizophrenia, as they are likely to be free of the potential confounding factors of medication, chronic hospitalization and manifest psychosis. We report here the psychometric properties of the Turkish version of the Magical Ideation Scale (MIS), a self-report questionnaire that focuses on delusion-like beliefs and hallucination-like experiences and that has been used to quantify an important dimension of schizotypy.

Method: Internal consistency and high cut-off scores were studied in 332 medical students. Forty-three students were readministered the scale 3 weeks later, and 96 received the Paranormal Belief Scale-R (PBS-R) along with the MIS, in order to measure test-retest reliability and convergent validity, respectively.

Results: The internal consistency of the scale is satisfactory with a Cronbach alpha coefficient of 0.78. Test-retest scores are highly correlated (r= 0.84). The high cut-off score is 21 for males, 23 for females, and 22 for the whole sample. Convergent validity was established by the significant correlation between the total MIS and PBS-R scores (r= 0.61).

Conclusions: The scale is valid and reliable for studies that require a standard quantification of schizotypal signs and symptoms in young university students.

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