Design of the Study

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2. Interview Sheet

Interview was aimed to obtain supporting information which would enrich the data. The directed and integrated interview was used in this study. It was supposed get much more information whether from the responses of directed interview or from extended explanation of the interviewee. The interviewees were the English teachers of school where the test conducted and the representative students who have joined the test. The teacher was interviewed under an interview guidance which consisted of 20 questions related to the use of English textbook in their classrooms. The interview question list also asked about the content of their English textbook, regarding the words selection, the arrangement of sentences, the presentation of examples and exercises could they encourage the students to understand the textbook? And asked their opinion about their students’ understanding of the textbook and so fort. The students were interviewed as well as their English teachers. The interview guided by 20 questions related to their opinion of the their English textbook. The extent to which they can understand their textbooks based on their prior knowledge. Asking of what are the things that make them interested in reading textbooks. How were their assessments of their English textbooks they use in the classroom? How do the image influence their understangding towards the teaching materials are delivered. How the exercises and examples presented in the textbook can improve their understanding of the teaching material submitted?

D. Data, Source of Data and Sort of Data

1. Data

Data were any information or recording taken from the source of data as findings. They could be the result of test the result of Fry readability graph and interview recordings.

2. Source of Data

a. English Textbooks

The source of data was taken from English textbooks which were used in five vocational schools namely three vocational schools use English for SMK 1, the rest use Get Along with English 1. To calculate the readability level of the textbook, three sample texts were picked up from the initial, middle and end part of each textbook. 44

b. Test results

This study took the data from the result of readability formulation which was showed by Fry readability graph. The other test result was taken from students’ cloze score. It took from the answer analysis of the test.

c. Interview

Supporting data was also taken from the result of interview the English teacher as well as students. It was intended not only for supporting the information but also convincing the data gathered from the test and determination of textbook readab ility by Fry’s readability graphs.

3. Sorts of Data

The sorts of data in this research consist of quantitative and qualitative data. Quantitative data were taken from the calculation of textbooks readability and the result of tests. The calculation of textbooks readability was presented in the form of graphs. The result of tests was gained to measure students’ comprehension which was presented in the form of percentage scores. Qualitative data were gathered from the interview result and field notes of observation during the research conducted.

E. Time and Place of The Study

1. Time of The Study

This study was done in August —November 2013 in the initial of the first semester academic years 20132014. The time was limited to gain as much as information from the analysis unit. Whenever the study found any facts during this semester as long as enrich the data obtaining was acceptable. Therefore, the more information obtained, the richer data gathered in order to answer the research questions.

2. Place of the Study

This research took place at five vocational schools in Majalengka District West Java. Different major of vocational programs were chosen to get a various performance of students especially when measuring reading comprehension as a weigher of readability formula. The major consists of Tourism program, Technology program, Agriculture program, Computer and Networking program. These programs were the representative from five vocational schools in Majalengka, namely SMKN 1 Majalengka, SMKN 1 Kadipaten, SMKN 1 Maja, SMKN 1 Panyingkiran, and SMKN 1 Palasah.