A RASCH MODEL ANALYSIS OF PRIMARY SCHOOL STUDENTS’ CONCEPTUAL UNDERSTANDING LEVELS OF THE CONCEPT OF LIGHT

Authors : Hüseyin Cihan BOZDAĞ, Suat TÜRKOĞUZ

Pages : 160-179

View : 16 | Download : 5

Publication Date : 2021-06-30

Article Type : Research Paper

Abstract :The study determines the conceptual understanding levels of primary school students on the concept of light according to the Rasch Model with a Four-tier Light Conceptual Understanding Test insert ignore into journalissuearticles values(LCUT);. The participants were 355 insert ignore into journalissuearticles values(164 girls and 191 boys); primary school students studying at a public school in Izmir city center. In the study, the Rasch Model, which is included in the Latent Trait Theory, was used. Also, the data regarding the answers given and the level of confidence in the responses were associated with the Rasch analysis of LCUT. The results of Rasch analysis showed that LCUT was in full harmony in the context of infit, outfit, and point measurement correlation statistics, and is a valid and reliable measurement tool for conceptual understanding. Moreover, these results explained that the students` average conceptual understanding ability regarding the Light unit was above the average item difficulty.
Keywords : Conceptual understanding, primary school, four tier diagnostic test, light unit, Rasch model