Teaching Material Development of Explanation Text Based on Multiple Intelligences on 11th Grade Students in Vocational High School 1 Padangsidimpuan

This study aims to (1) describe the process of developing explanatory text teaching materials based on multiple intelligences, (2) describe the feasibility of explanatory text teaching materials based on multiple intelligences and (3) describe the effectiveness of explanatory text teaching materials based on multiple intelligences. This research was conducted in 11th grade of vocational high school 1 Padangsidimpuan. The research method used is the Research and Development research method which refers to the Borg and Gall model. The results showed that (1) the process of developing teaching materials was carried out in three stages, namely preliminary studies, product development and trials. Based on the analysis of the needs, 100% of the teachers and students need data obtained from other teaching materials in explanatory text learning, product development is carried out with expert and material validation, and individual product trials score 88.89 in the excellent category, small group trials score 92, 75 with a very good category and limited field trials obtained a score of 94.75 with a very good category. (2) teaching material is declared feasible with 84.56% content eligibility percentage, 94.23% presentation eligibility, 93.27% language assessment, 96.88 multiple aspects intelligence feasibility and 84.17% graphic assessment. (3) teaching materials are declared effective for use in 11th grade students of  vocational high school 1 Padangsidimpuan with an average of 60.63 pretest learning outcomes and 80.94 posttest. The results of this study prove that explanatory text teaching materials based on multiple intelligences are feasible, easy and effective to use in learning in 11th grade of vocational high school.