Defining student and parent opinions about students' development of learning materials and participation in learning activities with the material

The aim of this study is to observe the participation of students in design-based material development activities and at the same time to examine the views of students and parents towards the activities. The study was conducted with 6-year-old students and parents of students who are continuing their education at a private educational institution in Çukurova district of Adana province. The study was conducted using the design-based research method. In the study conducted with the phenomenology model, one of the qualitative research models, interview questions prepared by the researcher were used as a data collection tool. The data obtained from the interviews were analyzed with the MAXQDA program. According to the results obtained from the research, the students enjoyed the material development activities they participated in collaboratively and stated that they wanted to repeat. Students stated that the information they learned in the courses they processed with the materials was permanent and that they gained self-confidence in the development activities of the materials. At the end of the study, parents stated that their children's responsibility-taking and communication skills improved. It was suggested to the researchers that the sample should be expanded and the research should be repeated in different age groups. Keywords: Learning material, material development, cooperative learning, responsibility