The Research Instruments Used before the Implementation

27 game, “Find the Answers”, intended to help the students recognize adverbs. The last game, “The Bingo Race”, aimed to review words they had known and introduce new words. At the end of each game, the researcher asked the students to rewrite the meanings and the parts of speech of the words given in their personal vocabulary lists. This step aimed to keep track of the students’ progress as well as to find out the effectiveness of the game used in that particular meeting. After that, the researcher gathered each student’s vocabulary list and calculated the score. Then, the researcher compared the scores of the students’ vocabulary list completed after the implementation with the previous scores gathered prior to the implementation of the games. It was aimed to see whether there was an improvement or not according to the scores that the students had. The researcher also distributed a questionnaire to gather the data related to the students’ perception on the implementation of the games. As follow-ups, informal interview was conducted in order to clarify their answers and obtain additional information. The results of the questionnaire distributed to the students and the interview would help the researcher to find out whether or not the students felt that they benefited from the implementation of the games. During the teaching and learning activity conducted by the researcher, a help from an observer was required in order to observe the real implementation of the games objectively. The researcher decided to ask for help from different observers for all meetings to avoid bias. The observer recorded what she had witnessed during the 28 implementation in the field notes. This step aimed to fill the information gaps which were created by the researcher’s involvement in the implementation. After the first cycle ended, the researcher reflected on how the implementation had been done. This aimed to find out whether or not the games which had been used to develop the students’ vocabulary mastery were really effective. Through the reflection, the researcher was able to discover the things which needed improvement so that the solution could be effective. At the end of the second cycle, the researcher reflected on the results and decided that one more meeting had to be conducted to conclude how word games could help the students improve their vocabulary mastery.

E. Data Analysis Technique

The data gathered throughout the research were analyzed to find out whether or not the games used in the meetings could effectively help the students improve their vocabulary mastery. After every meeting, the researcher gathered the students’ vocabulary notes, which consisted of the notes before the implementation and the notes after the implementation of the games. These notes were scored, and the results were compared in order to find out how the students’ vocabulary mastery had progressed throughout the learning process. The other data of the students’ improvement were recorded in the worksheets which they did during the implementation of the games, i.e. the list of words categorized based on their parts of