The Effectiveness of a Scientific Approach in Improving Bottom Passing Ability in Volleyball Games at the Vuttisat Vittanuson School in Thailand

The learning of the game of volleyball at the Vuttisat Vittanuson school in Thailand, especially in terms of lower passing ability, is still low. The application of the learning model provided by physical education teachers is still conventional, so it cannot build the effectiveness of student learning outcomes. This research aims to determine the effectiveness of a scientific approach on students volleyball passing abilities. This research is a type of quasi-experimental research with a Pretest Posttest One Group Design research design. The population in this study were Mattayom 5 students at Vuttisat Vittayanuson School and took a sample of 30. The instrument in this research is a volleyball passing ability test. The research results showed that based on the pretest and posttest scores there was a significant increase,  it is known that there is a difference in the positive influence of applying a scientific approach to students' passing ability in volleybal