2. Sampel Agar sampel data penelitian ini homogen, maka peneliti mengambil sampel pada siswa putra saja dengan teknik purposive sampling dengan jumlah 30 orang pada siswa kelas VII.
2. Sample In order for the sample of this research data is homogeneous, then the researchers sampled in students the son alone with purposive sampling technique with a total of 30 persons in grade VII.
2. Sample order for a homogeneous sample of this research data, the researchers took samples of the boys just by using purposive sampling with 30 people in class VII.