Penelitian ini bertujuan untuk menguji efektivitas teknik behavior contract dalam konseling kelompok dapat mengurangi perilaku terlambat datang ke sekolah pada peserta didik Sekolah Menengah Kejuruan (SMK). Penelitian ini merupakan jenis penelitian pre eksperimental metode one group pre-test post-test. Teknik pengumpulan data menggunakan angket perilaku terlambat datang ke sekolah. Populasi dari penelitian ini adalah peserta didik kelas XI Teknik Pemesinan B di salah satu SMK di Kab. Pasuruan. Sample penelitian dipilih secara purposive sampling. Sampel yang diambil sebanyak 5 peserta didik dengan cara diperoleh dari hasil pre-test dengan skor kategori tinggi. Data dari hasil uji statistik wilcoxon menggunakan SPSS 26, didapatkan hasil Asymp. Sig sebesar 0,041. Karena 0,041 < 0,05 maka dapat disimpulkan bahwa hipotesis diterima, yaitu teknik behavior contract dalam konseling kelompok dapat mengurangi perilaku terlambat datang ke sekolah pada peserta didik Sekolah Menengah Kejuruan (SMK).

Kata kunci: konseling kelompok, teknik behavior contract, terlambat datang ke sekolah

This study examines the effectiveness of the behavior contract technique in group counseling that can reduce the behavior of late arrivals to school among Vocational High School students. This research is a pre-experimental research with one group pre-test and post-test methods. The data collection technique uses a behavior questionnaire late to school. The population of this study was students of class XI Mechanical Engineering B at one of the Vocational High Schools in Pasuruan district. The research sample was selected by purposive sampling. Samples were taken from five students from the pre-test results with high category scores. Data from the Wilcoxon statistical test results using SPSS 26 and the Asymp results were obtained. Sig of 0.041. Because 0.041 <0.05, it can be concluded that the hypothesis is accepted, namely, the behavior contract technique in group counseling can reduce the behavior of coming late to school in Vocational High School students.

Keywords: behavior contract technique, coming late to school, group counseling.