Observation Interview Procedure of Collecting Data

3.5.1 Observation

Data is one of the important things in research. Without data, there is nothing to be analyzed. In gathering data, observation is one kind of techniques. Observation is the act of watching somebody or something carefully for a period of time, especially to learn something Oxford dictionary:910. Arikunto 2002:133 also identifies that observation is an activity of centralization a certain object using all senses. It means that the observation can be done using test, questionnaire, or voice recording. The researcher used voice recording and field notes to gather the data. In this study, the researcher observed how the mathematics teachers using English especially mathematical terminology. The indicators of the observation included frequency, grammar, pronunciation and concept. Frequency means how often the mathematical terminology mentioned or used by the teachers. The grammar relates to how the teachers use the mathematical terminology in a sentence. Pronunciation concerns how the teachers pronounce the mathematical terminology. Lastly, concept correlates whether the terminology is used by the teacher properly based on the context.

3.5.2 Interview

Another technique to collect the data is interview. Interview is face-to-face communication. Arikunto 1998:145 defines that “interview is done by the interviewer to get some information from interviewee”. Arikunto 1998:145-146 classifies interview into three types: 1 Un-guided interview The interviewer is allowed to ask everything which is needed to gather the data to the interviewee. 2 Guided interview The interviewer has a certain topic of the interview and prepares the questions for the interviewee and informs it to himher before doing the interview. 3 Free-guided interview. It is a combination between un-guided and guided interview. The interviewer gives the information occasion to express her idea freely, but the conversation not deviate from the topic. In this research, the researcher used guided interview because she has prepared some questions for the interviewee. In the interview, the researcher asked the teachers about their difficulties or problems in using mathematical terminology and how they solve their problems. Besides, the researcher used voice recording to gather the data.

3.6 Procedures of Analyzing Data