ANALISIS PERBEDAAN HASIL TOLAK PELURU MENGGUNAKAN GAYA O’BRIEN DAN GAYA ORTODOKS PADA SISWA KELAS X SMAN 13 KOTA JAMBI.

Abstract

This study aims to determine the difference in shot put performance using the orthodox style and the O’Brien style among tenth-grade students of SMAN 13 Jambi City. This research employed a quantitative approach with an experimental method using a one sample two treatment design. The sample consisted of 30 tenth-grade students of SMAN 13 Jambi City. Data collection was carried out through a shot put performance test administered in the form of pretest and posttest for both styles. The data were analyzed using SPSS through descriptive statistical analysis, Shapiro-Wilk normality test, and hypothesis testing using the Paired Sample T-Test. The descriptive analysis results showed that the average pretest score for the orthodox style was 3.61 meters, while the O’Brien style was 3.82 meters. Furthermore, the posttest average for the orthodox style was 3.99 meters, whereas the O’Brien style reached 4.23 meters. These results indicate that the O’Brien style produced a higher average throwing distance compared to the orthodox style. Additionally, the normality test showed that all data were normally distributed, as the significance values were greater than 0.05. Based on the hypothesis testing using the Paired Sample T-Test, the significance value obtained was 0.000 < 0.05, indicating a significant difference between the orthodox style and the O’Brien style in shot put performance. Thus, it can be concluded that the O’Brien style provides better results than the orthodox style among tenth-grade students of SMAN 13 Jambi City. The findings suggest that selecting appropriate techniques greatly influences shot put performance, and the O’Brien style is recommended as a more effective technique in high school physical education due to its ability to produce more optimal throwing distances.