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Abstract
This research was conducted to investigate whether the use of materials in 5th grade music lessons is effective on student achievement. In the study, quasi-experimental design with pretest-posttest matched control group was used. The research was carried out in a public secondary school located in Şahinbey district of Gaziantep province. The experimental and control groups of the study consisted of 60 students (n=60), 30 of whom were equivalent to each other in terms of their characteristics. Music Lesson Academic Achievement Test and expert opinion form developed by the researcher were used to collect data for the research. Within the scope of the research, a material-based activity program prepared by the researcher was applied to the experimental group and the data obtained as a result of the experimental application were analyzed with the SPSS 25.0 program. Dependent and independent sample t-tests were used in the analysis of the data. Cohen's d formula was used to calculate the effect size. As a result of the research; It was seen that the achievement test scores of the class in which music lessons were taught with material support were higher. Based on this, it was concluded that material-supported processing of music lessons was effective on students' success in music lessons.