Adaptation of Star Properties Concept Inventory<p>Yıldız Özellikleri Kavram Envanteri uyarlama çalışması

Abstract

The aim of this study is to adapt "Star Properties Concept Inventory-SPCI" developed by Bailey, Johnson, Prather, and Slater (2012) into Turkish, and to make validity and reliability analyses of the inventory. The original inventory is consisted of 22 items. The study is conducted with the participation of 386 students from three different universities. Preservice science teachers and fourth grade astronomy students are formed this research group.Cronbach's alpha coefficient is determined as 0.82 for the inventory. As a result of item analysis of data gained from application of inventory; item discrimination indexes are found between 0.07 and 0.73, item difficulty indexes are found between 0.13 and 0.75. While the average of test is found as 7.27, the average difficulty is 0.33. The content validity is determined by taking expert opinions.