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Gülhane Afazi Testi-2 (GAT-2)'nin standardizasyon ve geçerlik-güvenirlik çalışması

Authors: Maviş, İlknur; Colay, Kemal; Topbaş, Seyhun;

Gülhane Afazi Testi-2 (GAT-2)'nin standardizasyon ve geçerlik-güvenirlik çalışması

Abstract

Bilimsel zemin: Afazi, apraksi, dizartri ve sağ beyin sendromu gibi nörolo­jik dil ve konuşma bozuklukları bireylerde iletişim sorunları yaratır. Türkiye'de nörolojik kökenli dil-konuşma bozuklukları olan sol beyin hasarlı afazili bireyleri değerlendirmek için yatak başında uygulanabilecek bir tara­ma testine gereksinim olduğu hissedilmektedir. Gülhane Afazi Testi-2 (GAT-2), afazinin varlığını ortaya çıkarma ve afaziye eşlik edebilecek konuşma bozuklukları (apraksi, dizartri) hakkında klinisyene ipucu verme amacıyla Tanrıdağ, Topbaş ve Maviş (2006) tarafından hazırlanmıştır. Amaç: Çalışmanın amacı, Tanrıdağ ve diğerleri tarafından yeniden yapılandırılan Gülhane Afazi Testi-2'nin (GAT-2) standardizasyon ve geçer-lik-güvenirlik çalışmasını gerçekleştirmektir. Gereç ve yöntemler: Çalışmada 134 sağlıklı, 30 sol beyin hasarlı afazili, 11 sağ beyin hasarlı yetişkin birey GAT-2 ile değerlendirilip, gruplar arasındaki puan farkları bireylerin yaş, eğitim, cinsiyet, inme sonrası geçen süre parametreleri açısından incelenmiştir. Sağlıklı bireylerin GAT-2 puanları ile testin kesme değerleri belirlenmiştir. Sağlıklı bireylerlerden oluşan 32 kişilik grup ile test-tekrar test ve gözlemciler arası güvenirlik çalışmaları gerçekleştirilmiştir. Sonuçlar: Sağlıklı bireylerin GAT-2 puanları afazili bireylerin puanları ile önemli düzeyde farklılaşmaktayken, sağ beyin hasarlı bireylerin puanlarıyla anlamlı düzeyde farklılaşmadığı görülmüştür. Sağlıklı bireylerin kesme değerlerini eğitim süresi etkilemektedir. GAT-2'nin test-tekrar test güvenir­liği ve gözlemciler arası güvenirlik katsayısı hesaplanmıştır. İç tutarlık kat­sayısı Cronbach a=0,91 olarak saptanmıştır. Yorum: GAT-2 standardize, geçerli ve yüksek düzeyde güvenilir bir afazi tarama testidir.

Standardization, Validity and Reliability Study of GÜlhane Aphasia Test-2 (Gat-2) Scientific background: GÜlhane Aphasia Test-2 (GAT-2) has been developed to show the presence of a language disorder 'aphasia' and to give the clinician implications for the accompanying speech disorders such as apraxia and dysarthria. Objective: The aim of the study is to report standardization, validity and reliability study of GAT-2. Materials and methods: 10 healthy individuals were tested initially for the pilot study. 134 healthy individuals were included to the standardization study and 30 individuals with aphasia and 11 individuals with right brain injury were included to the validation study. The inter group GAT-2 score differentiations and the effects of age, years of education, sex variances were observed. GAT-2 cut-off scores were calculated by the scores of healthy individuals. GAT-2 test-retest reliability and inter-observer reliability was calculated. Results: Healthy individuals' GAT-2 scores were significantly different from the GAT-2 scores of aphasic patients, but not from right brain injured patients'. Healthy individuals' GAT-2 scores were not affected from the sex, age variances but from years of education, so cut-off scores were calculated by this variance. GAT-2 scores of aphasic patients were not affected from age, sex and years of education. Test-retest and inter-observer reliability and internal consistency results showed that GAT-2 is a highly reliable aphasia screening test. Conclusion: GAT-2 was found to be a standardized, highly reliable and a valid aphasia test for Turkish stroke patients with aphasia.

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Nörolojik Bilimler

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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