This research aims to determine the cognitive structures of secondary school students about COVID-19. In this research, a case study, one of the qualitative research methods, was used, and demographic information and a word association test were the data sources. The study group of the research consists of 226 students who continue their education…

It is necessary to focus on environmental education at every stage of education in order to raise the awareness of the students about the environment and make the information permanent. Before setting priorities for educational policy and taking precautions, necessary studies relating the determining the views of the students should be performed.…

Students' mental models of diffusion in a gas phase solution were studied through the use of the Structure and Motion of Matter (SAMM) survey. This survey permits identification of categories of ways students think about the structure of the gaseous solute and solvent, the origin of motion of gas particles, and trajectories of solute particles in…

The purpose of this study was to investigate the development of preservice science teachers' knowledge structures in the domain of oxidation and reduction chemistry. Knowledge structures were elicited through video-recorded semi-structured interviews before and after the unit of instruction, and analyzed using a visual flow map representation.…

Distractor-driven multiple-choice assessment items and Rasch modeling were used as diagnostic tools to investigate students' understanding of middle school chemistry ideas. Ninety-one items were developed according to a procedure that ensured content alignment to the targeted standards and construct validity. The items were administered to 13360…