This study aims to find out about the results of development of teaching materials of negotiation text based on experience of students class X MAN 2 Model Padangsidimpuan. The teaching materials developed is modular. The research method used is research and development method of Research and Development (R & D) referenced on Borg & Gall model which proposed by Wina Sanjaya. The result of the research showed that: (1) validation of material experts include the feasibility of the content with an average of 93.75% on very good criteria, the feasibility of presentation with an average of 92.04% on very good criteria, and the evaluation of the language aspect with the average of 92.70% on very good criteria, (2) design expert validation with an average of 84,16% on either criterion, (3) teacher responses with an average of 87.25% on very good criteria, (4) individual testing with an average of 78.23% on either criterion, (5) small group trials with an average of 84.70% on good criteria , and (6) limited field tests with an average of 90.14% on very good criteria. The result of the test is to write the negotiation text of the student before using the module amounts to 70,12, while the result of the test of writing negotiation text of the student after using the module increased by 80,31. The difference is 10,19 from before to after using module. This proves that teaching materials to write negotiation text developed can improve student learning outcomes by using experiential learning.
Keywords: Development, Experience-Based, Negotiation Text, Teaching Materials
