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

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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