摘要：The purpose of this study was to test the effectiveness of self-instruction techniques to improve student’s oral communication skills in the learning process. This study was an experimental study using a single case experimental with A-B designs. The subject was three students from tenth grade senior high school which had a problem with their oral communication during the learning process. Oral communication skills data were collected using Oral Communication Skills Observational Instruments. Data analysis techniques used were statistical analysis with percentage technique, and split-middle technique also clinical analysis technique which declared by significant other. The results show that after carrying out the self-instruction, subject’s oral communicating skills in the classroom learning process increases. Abstrak: Tujuan penelitian ini adalah menguji keefektifan teknik instruksi diri untuk meningkatkan keterampilan berkomunikasi lisan siswa dalam proses pembelajaran. Penelitian ini merupakan penelitian eksperimental menggunakan single case experimental dengan desain A-B. Subjek penelitian yaitu tiga orang siswa kelas sepuluh yang memiliki keterampilan komunikasi lisan rendah dalam proses pembelajaran. Data penelitian dikumpulkan menggunakan instrumen keterampilan komunikasi lisan. Teknik analisis data yang digunakan adalah analisis statistik dengan teknik persentase, dan split middle technique serta teknik analisis klinis yang dinyatakan oleh significant other . Hasil penelitian menunjukkan bahwa setelah melaksanakan teknik instruksi diri, keterampilan berkomunikasi lisan subjek dalam proses belajar di kelas meningkat. Permalink/DOI : http://dx.doi.org/10.17977/um001v2i32017p086.
关键词：oral communication; self instruction; single subject design
