Pengaruh Model Pembelajaran Argument Driven Inquiry (ADI) Terhadap Kemampuan Komunikasi Peserta Didik pada Materi Sistem Koordinasi Kelas XI SMAN 2 Padang Panjang

This study aims to determine the effect of using the Argument-Driven Inquiry (ADI) learning model on students' communication skills in the coordination system material. The method used in this study is a quasi-experiment with the Pretest-Posttest Control Group Design model. The research was conducted in classes XI IPA 1 (using the ADI learning model) and XI IPA 2 (without using ADI) with 36 students each. Selection of both classes based on the purposive sampling technique The research was conducted through observation and data analysis. The instrument used is an observation questionnaire that has been tested for its validity and reliability with as many as five statements and four assessment points. Based on the analysis of the data obtained, there are differences in the communication skills of students who are taught using the ADI learning model and without using the ADI learning model. This conclusion is based on the results of hypothesis testing on the Posttest values of both classes, namely  -6,18 <  1.99 or  1,649 < 1,757 (sig) at the α level of 0.05.