Tujuan penelitian ini adalah untuk mengetahui pengaruh metode gerak dan lagu terhadap kemampuan interaksi sosial dengan teman sebaya pada anak kelompok A2. Penelitian ini dilaksanakan di TK Negeri Pembina Kota Bangkalan. Metode penelitian ini menggunakan metode kuantitatif dengan pendekatan Pre-Eksperimental Design dengan jenis desain One-Group Pretest-Posttest Design. Teknik pengumpulan data menggunakan observasi, wawancara, dan dokumentasi. Teknik analisis data yang digunakan adalah analisis regresi dengan menggunakan uji-t (sampel paired test). Hasil dari pretes menunjukkan bahwa terdapat 4 anak yang tergolong belum berkembang (BB), dan terdapat 11 anak yang tergolong mulai berkembang (MB). Sedangkan hasil dari posttest terdapat 6 anak yang tergolong berkembang sesuai harapan (BSH), dan 9 anak yang tergolong berkembang sangat baik (BSB). Hal tersebut, dapat dilihat bahwa ada perbedaan hasil Pretest dan Posttest setelah guru melakukan perlakuan dengan menggunakan metode gerak dan lagu terhadap kemampuan interaksi sosial dengan teman sebaya pada anak kelompok A2 di TK Negeri Pembina Kota Bangkalan. Berdasarkan perhitungan didapat nilai r sebesar 0,98 sehingga besar pengaruhnya metode gerak dan lagu terhadap kemampuan interaksi sosial dengan teman sebaya sebesar 96% (sangat kuat). Terbukti pada pengujian uji-t (sampel paired test) diperoleh nilai thitung ? ttabel dengan nilai 5,820 ? 2,048, maka H0 ditolak sehingga Ha diterima yaitu terdapat pengaruh yang signifikan antara metode gerak dan lagu terhadap kemampuan interaksi sosial dengan teman sebaya pada anak kelompok A2 di TK Negeri Pembina Kota Bangkalan.

Purpose of this research was to discover the influence of movement and music method on capability of peer social interaction toward children group A2. This research was conducted at Pembina State Kindergarten in Bangkalan. Quantitative research was held by using Pre-Experimental Design with the type of One Group Pretest- Posttest Design. The data was collected by conducting observation, interview and documentation. Technique of analysis used in this research was regression analysis by examining Uji-t (sample paired test). The results of pretest showed that there were 4 children classified as undeveloped (BB), and there were 11 children classified as developing (MB). While the result of posttest showed that there were 6 children who were classified developing merit to expectation (BHS), and 9 children who were classified developing impressively (BSB). Considering this situation, it could be seen that there were different results between Pretest and Posttest exactly after teacher gave different treatments by using movement and music method on capability of peer social interaction toward group children A2 at Pembina State Kindergarten in Bangkalan. According to equation, value of r obtained 0,98 which denoted there was a huge influence of the method being tested on capability of peer social interaction around 96% (totally strong). It was proven by examining Uji-t (sample paired test) was obtained value of 5,820 ? 2,048, therefore H0 was rejected and Ha was accepted in condition that there was a significant influence between movement and music method on capability of peer social interaction toward group children A2 at Pembina State Kindergarten in Bangkalan.