SUMMARY
The purpose of the research is to determine which school musical instrument (recorder, baglama, guitar) is more effective in reaching music lesson acquisitions. The research is on an experimental basis. In accordance with the aforementioned purpose, the effect of the experimental application on experimental groups has been identified.The work group of the research consists of 6th grade students which are divided into three groups, namely 6A-6B-6C, in 75. Yil Primary School in the city of Nevsehir. In order to discover the impact of recorder, baglama and guitar on music class acquisitions, cognitive entry behaviors (pre-acquisitions) test have been designed by using expert view. Acquisitions and level of learning and practice skills of each of the classes which constitute the experiment group have been evaluated by 5-point Likert scale. Data gathered via the experiment have been analyzed via SPSS statistical software with One Way ANOVA, Pearson’s Correlation, Levene, Shapiro-Wilks, Kruskal-Wallis, Variance, and Scheffe tests.In the results of the research, it has been observed that all of the three instruments have an impact on acquisitions. When expert views are examined, it was determined that all of the three instruments increased the level of success in different acquisitions. ÖzetArastirmanin amaci ilkögretim müzik dersi kazanimlarina ulasilmasinda hangi okul çalgisinin (blok flüt, baglama, gitar) daha etkili oldugunun belirlenmesidir. Arastirma deneysel niteliktedir. Söz konusu amaca yönelik olarak deneysel uygulamanin deney gruplari üzerindeki etkisi belirlenmistir. Arastirmanin çalisma grubunu Nevsehir Ili 75. Yil Ilkögretim Okulunun 6A-6B-6C seklinde üç subeden olusan 6. Sinif ögrencileri olusturmaktadir. Blok flüt, baglama ve gitar çalgilarinin müzik dersi kazanimlarinda etkisini ortaya çikarmak amaciyla uzman görüslerinden faydalanilarak bilissel giris davranislari (ön ögrenmeler) testi hazirlanmistir. Deney grubunu olusturan her bir sinifin kazanimlari ögrenme ve uygulama beceri düzeyleri 5’li Likert tipi derecelendirme ölçegi ile degerlendirilmistir. Deney sonucunda elde edilen veriler SPSS istatistik programi ile One Way Anova, Pearson Korelasyon, Levene, Shapiro-Wilks, Kruskall-Wallis Varyans ve Scheffe testi kullanarak degerlendirilmistir.Arastirma sonucunda süreç içerisinde kazanimlar üzerinde her üç çalginin da etkili oldugu, uzman görüsleri incelendiginde üç çalginin da farkli kazanimlarda basari seviyesini arttirdigi tespit edilmistir.