Examination of 6th grade students' ideas about quadrilateral drawings according to Duval's model of different types of comprehension

The aim of this study is to examine which type of comprehension 6th grade students' ideas about drawings on quadrilaterals are according to Duval's different types of comprehension based on their answers to the quadrilaterals geometric comprehension test. The research was conducted with multiple case study design, one of the qualitative research methods. The research was carried out with four 6th grade students who were selected by convenience sampling method in a secondary school in the Eastern Anatolia Region. The data were obtained from the quadrilaterals geometric comprehension test, post-test semi-structured interview questions, audio recordings taken during the application and interview, and the researcher's field observation notes, and descriptive analysis and content analysis were performed in line with the problem statement of the research. In the descriptive analysis, the distributions of the correct answers given by the students to the quadrilaterals geometric comprehension test were calculated, and in the content analysis, the coding was made according to the situation of creating the drawing steps given respectively. As a result of the research, it was seen that all of the students had perceptual comprehension type among Duval's different comprehension types, and they had sequential and functional comprehension types partially according to their academic achievement. It was observed that the students were unsuccessful in the verbal comprehension type.