Erken Dönemde Bilimsel Düşünme Eğilimini Değerlendirme Ölçeği Geçerlik Güvenirlik Çalışması

Öz

Bu çalışmada 48-72 aylık çocukların bilimsel düşünme eğilimlerini ölçmeye yönelik bir ölçme aracı geliştirilmiştir. Araştırmanın çalışma grubunu okul öncesi eğitim kurumuna devam eden 489 (255 kız, 234 erkek) çocuk oluşturmuştur. “Erken Dönemde Bilimsel Düşünme Eğilimini Değerlendirme Ölçeği”nin güvenirlik ve geçerliğine kanıt oluşturmak amacı ile çeşitli analizler yapılmıştır. Ölçeğin yapı geçerliğine kanıt oluşturmak amacı ile Açımlayıcı Faktör Analizi (AFA) ve Doğrulayıcı Faktör Analizleri (DFA) yapılmıştır. Yapılan analizler sonucunda, 6 alt faktörlü ve 25 maddeli bir ölçek yapısı ortaya çıkmıştır. Ölçeğin tamamına ait Cronbach Alpha güvenirlik katsayısı 0.898 olarak bulunmuştur. Alt faktörlere ilişkin içtutarlık katsayıları ise şöyledir: 1. Faktör için 0.893, ikinci faktör için 0.890, üçüncü faktör için 0.906, dördüncü faktör için 0.884, beşinci faktör için 0.869, altıncı faktör için ise 0.951’dir. Alt faktörlerin güvenirlik katsayıları 0.890 ile 0.951 arasında değişmektedir. Ölçekten elde edilen güvenirlik analizi sonuçları incelendiğinde hem genel hem de alt faktörler açısından geçerli ve güvenilir bir ölçme aracı olduğu söylenebilmektedir.

Anahtar Kelimeler

• Okul öncesi
• eğilim
• bilimsel düşünme

The Validity and Reliability Study of the Scale for Evaluating the Scientific Thinking Disposition in the Early Years

Abstract

In this study, a measurement tool was developed to measure the scientific thinking dispositions of 48-72 months old children. The study group of the research consisted of 489 (255 girls, 234 boys) children attending pre-school education institutions. Various analyzes were carried out in order to provide evidence for the reliability and validity of the "Scale for Evaluating the Scientific Thinking Disposition in the Early Years". Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) were performed to provide evidence for the construct validity of the scale. As a result of the analysis, a scale structure with 6 sub-factors and 25 items emerged. The Cronbach Alpha reliability coefficient of the whole scale was found to be 0.898. The internal consistency coefficients for the sub-factors are as follows: 0.893 for the 1st factor, 0.890 for the second factor, 0.906 for the third factor, 0.884 for the fourth factor, 0.869 for the fifth factor, and 0.951 for the sixth factor. The reliability coefficients of the sub-factors ranged from 0.890 to 0.951. When the reliability analysis results obtained from the scale are examined, it can be said that it is a valid and reliable measurement tool in terms of both general and sub-factors.

Keywords

• Preschool
• disposition
• scientific thinking

Kaynakça

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