This research was aimed to describe the implementation of Question Answer debate technique and improve students’ speaking in speaking class. The objectives of the study are to describe the implementation of speaking by using Question Answer debate technique at grade XI IPS I of SMA Negeri 1 Padamara and to describe weather Question Answer debate can improve the students’ participation. The study was implemented in SMA Negeri 1 Padamara, class XI IPS 1 using an action research. The writer took 40 students as the subject of the research. There were two kinds of data Qualitative data and Quantitative data. The qualitative data were gotten from interview. Whereas the quantitative data were gotten from observation and Questionnaire by counting the percentage of indicators of students’ speaking participation to measure whether there was improvement in the CAR or not.
Based on the data analysis resulted, data observation showed the improvement of average of students’ individual activity in cycle 1 to cycle 2 was 43,5% , and it has reached the indicator of action success (40 %)The data from questionnaire which was gotten from 10 questions showed that students’ gave positive response to the implementation of Question Answer Debate. the percentage of each question that choose ” ya” was more than 60 % then the data from interview showed that 90 % students who were interviewed felt happy, enjoyed the activity and got higher motivation to participate in speaking. Those data had proved that Question Answer Debate could improve students’ speaking participation.