This research was aimed at improving the students‟ participation in Learning Degree of Comparison using Pictures. The method used in this research was Classroom Action Research (CAR), which was done at the class VIII A students of SMP Purnama Kesugihan in Academic year 2011/ 2012 as the subject of the research. There were 35 students, 18 male and 17 female.
The researcher did collaboration with the English teacher in the class. The CAR was carried out based on Kemmis and Mc. Taggart‟s design.
In collecting the data, the researcher used observation, field note, interview, questionnaire, and documentation. In analyzing the data, the researcher used some steps; those are reducing the data, presenting the data, and verifying the data.
The result of the research showed that picture could improve the students‟ participation in learning Degree of Comparison. The observation result showed the total average of students‟ participation in Cycle 1 was 34.04% and the total average of students‟ participation in Cycle 2 was 81.23%. Thus, the improvement of students‟ participation was 51.19%. It reached the indicator of action success which was 50%. The questionnaire result showed that the students gave the positive response toward learning Degree of Comparison using pictures. It showed that from 10 questions, the students who answered “Yes” in each indicator and the result of each indicator were more than 70%. The results had proved that picture could improve students‟ participation in learning Degree of Comparison.