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Yıl:2017; Cilt: 54; Sayı: 3>> Özet
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Nöropsikiyatri Arşivi; 2017;54(3):216-224
Özellik Yaklaşımıyla Aleksitimiyi Ölçme-I: A Aleksitimi Ölçeği Madde Seçimi ve Faktör Yapısının Oluşturulması
A Tatar, G Saltukoğlu, S Alioğlu, S Çimen, H Güven, ÇE Ay
Fatih Sultan Mehmet Vakıf Üniversitesi, İstanbul
Amaç: Aleksitiminin teorik yapısı nedeniyle mevcut ölçme araçlarının yapıyı ölçmek için yeterli olup olmadığının bilinmediği ve pek çok ölçme aracına ihtiyaç olduğu belirtilmektedir. Ayrıca mevcut ölçme araçlarının hepsinin farklı hata kaynaklarına sahip olduğu bildirilmektedir. Yapıyı ölçmek için Türkçe ölçme aracı olarak sadece Toronto Aleksitimi Öl- çeği'nin eski ve yeni iki formu bulunmaktadır. Bu belirtilenler doğrultusunda bu çalışmada aleksitimiyi ölçmek için yeni bir ölçme aracının geliştirilmesi amacıyla madde seçimi, faktör yapısının oluşturulması amaçlanmıştır. Yöntem: Hazırlanan 100 havuz maddesi ilk uygulamada 19-82 (ort.=35,05) yaşları arasındaki 628 kadın, 489 erkek toplam 1117 kişiye verilmiştir. Veri Açıklayıcı Faktör Analizi, Doğrulayıcı Faktör Analizi ve Madde Cevap Kuramı ile analiz edilmiş ve 28 madde seçilmiştir. 28 Maddeli yeni form ikinci uygulamada 18-30 (ort.=21,44) yaşları arasındaki 271 kız, 144 erkek toplam 415 üniversite öğrencisine uygulanmıştır. Bulgular: Açıklayıcı Faktör Analizi sonuçlarında "Duygusal Deneyimleri Çözme ve İfade Etme", "Dışsal Odaklı Bilişsel Tarz", "Duyguları Bedenselleştirme Eğilimi", "Düşsel Yaşam ve İmgeleme", "Dürtüsel Davranma" olarak isimlendirilen beş faktörlü ve yapının "Duygusal", "Bilişsel" bileşenini temsil eden iki faktörlü iki ayrı çözüm elde edilmiştir. Elde edilen bu yapı bileşenleri, iyi model uyumu ve yüksek içtutarlılık göstermişlerdir. Bu uygulamada oluşturulan yeni formun iç tutarlılık, test-tekrar test güvenirliği, Toronto Aleksitimi Ölçeği ile ölçüt bağıntılı geçerliliği, Beş Faktör Kişilik Envanteri kısa formu ile ayırt edici geçerliliği test edilmiştir. Sonuç: Elde edilen sonuçlar ölçeğin temel psikometrik gereklilikleri karşıladığını göstermiştir. Sonuçlar ilgili çalışmalar doğrultusunda tartı- şılmıştır.
Measuring Alexithymia via Trait Approach-I: A Alexithymia Scale Item Selection and Formation of Factor Structure
Introduction: It is not clear in the literature whether available instruments are sufficient to measure alexithymia because of its theoretical structure. Moreover, it has been reported that several measuring instruments are needed to measure this construct, and all the instruments have different error sources. The old and the new forms of Toronto Alexithymia Scale are the only instruments available in Turkish. Thus, the purpose of this study was to develop a new scale to measure alexithymia, selecting items and constructing the factor structure. Methods: A total of 1117 patients aged from 19 to 82 years (mean = 35.05 years) were included. A 100-item pool was prepared and applied to 628 women and 489 men. Data were analyzed using Explanatory Factor Analysis, Confirmatory Factor Analysis, and Item Response Theory and 28 items were selected. The new form of 28 items was applied to 415 university students, including 271 women and 144 men aged from 18 to 30 (mean=21.44). Results: The results of Explanatory Factor Analysis revealed a fivefactor construct of "Solving and Expressing Affective Experiences,” "External Locused Cognitive Style,” "Tendency to Somatize Affections,” "Imaginary Life and Visualization,” and "Acting Impulsively,” along with a two-factor construct representing the "Affective” and "Cognitive” components. All the components of the construct showed good model fit and high internal consistency. The new form was tested in terms of internal consistency, test-retest reliability, and concurrent validity using Toronto Alexithymia Scale as criteria and discriminative validity using Five-Factor Personality Inventory Short Form. Conclusion: The results showed that the new scale met the basic psychometric requirements. Results have been discussed in line with related studies.

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