5-10 Yaş Grubu Çocuklara Yönelik Geliştirilmiş Çalışma Belleği Ölçeğinin Geçerlik ve Güvenirliği

Year 2018, Volume: 14 Issue: 2, 187 - 214, 29.06.2018

Cevriye Ergül , Çağla Özgür Yılmaz Ergül Demir

https://doi.org/10.17244/eku.427280

Cited By: 16

Abstract

Bu çalışmada 5-10 yaş grubundaki çocukların çalışma
belleği performansının belirlenmesine yönelik geliştirilmiş olan Çalışma
Belleği Ölçeği’nin geçerlik ve güvenirliğinin incelenmesi amaçlanmıştır. Ölçek
sözel/görsel kısa süreli bellek ve sözel/görsel çalışma belleği olarak toplam
dört boyutta dokuz alt ölçek ile değerlendirme yapmaktadır. İlişkisel tarama
modellerinden korelasyonel türde desenlenen bu çalışmanın örneklemini toplam
1494 çocuk oluşturmaktadır. Çocukların 634’ü iki aşamada gerçekleştirilen
deneme uygulamasında, 860’ı ise esas uygulamada yer almıştır. Tüm çocuklara
Çalışma Belleği Ölçeği uygulanmıştır. Ölçeğin uzman görüşleri ile kapsam
geçerliğine sahip olduğu belirlenmiş ve elde edilen veriler üzerinden yapı
geçerliğini belirlemek amacıyla açımlayıcı çalışmalardan Temel Bileşenler
Analizi (TBA) ile kümeleme analizi, doğrulayıcı çalışmalardan Doğrulayıcı
Faktör Analizi (DFA) yürütülmüştür. Ayırıcılık çalışmalarında nokta çift serili
korelasyon katsayısı ile maddelere ilişkin deneme toplam puan korelasyonları
hesaplanmış, ölçüt geçerliği çalışmaları için akademik başarı ölçekleri
kullanılmıştır. Çalışmanın güvenirliğine yönelik olarak test tekrar test
yöntemine dayalı güvenirliğini incelemek amacıyla Pearson Momentler Çarpımı Korelasyon
Katsayısı, test yarılama yöntemine dayalı Cronbach Alpha iç tutarlık katsayısı
hesaplanmıştır. Çalışmanın bulguları Çalışma Belleği Ölçeğinin geçerli ve
güvenilir bir araç olarak alanda kullanılabileceğini göstermiştir.

Keywords

Çalışma Belleği, Geçerlik, Güvenirlik, Ölçek

Validity and Reliability of the Working Memory Scale for Children Aged 5-10 Years

Abstract

In
this study, it was aimed to examine the reliability and validity of the Working
Memory Scale developed to determine the performance of working memory for
children in the age group of 5-10 years. The scale evaluates with nine subtests
in total four dimensions as verbal / visual short-term memory and verbal /
visual working memory. A correlational model from relational screening models
was used in the study. A total of 1494 children constituted the sample, 634 of
whom were involved in the two trial stages and 860 were involved in the main
application. All children were administered the Working Memory Scale.  Content validity of the scale was examined by
means of expert opinions. To determine the construct validity a principal
content analysis, a cluster analysis and a confirmatory factor analysis were
performed.  For the discriminant validity,
point-biserial correlation coefficients and the item-total score correlations
were calculated. Academic Achievement Scales were used for criterion validity.
In order to determine the test-retest reliability, a Pearson product-moment
correlation coefficient was calculated while a Cronbach’s alpha internal
consistency coefficient was calculated for the split-half reliability. The
findings of the study show that the Working Memory Scale can be used in the
field as a valid and reliable tool.

Keywords

Reliability, Scale, Validity, Working memory

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