Peningkatan Pembelajaran Servis Bawah Bola Voli Menggunakan Metode Group Investigation (GI)

Abstract

This research aims to improve basic underhand serve techniques in volleyball using the Group Investigation (GI) method. The data from classroom action research with grade VII-A students at SMP Negeri 1 Molibagu was collected in two cycles. Each cycle consisted of four stages: (1) Planning, (2) Implementation, (3) Observation and Interpretation, and (4) Analysis and Reflection. Learning through the Group Investigation (GI) method can improve the learning outcomes of underhand serves in volleyball among grade VII-A students at SMP Negeri 1 Molibagu. The analysis showed significant improvement in cycle I, and a significant increase in cycle II. The learning outcomes for volleyball underhand serves in cycle I were 67.73%, and in cycle II, there was an increase to 81.84% in student learning outcomes, with a total of 29 students.