Instruments of the Research Population and Sample of the Research

b. The teacher gave motivation to the students by asking the actual news on television and the teacher asked them to give the comments. c. The teacher made heterogonous group by counting the students 1, 2, 3, 4 until 5, then the students gather with their group gained. d. The students discussed the task with their group. Each of them gave the ideas and information that heshe has got from the text. e. The teacher monitors the student’s activities in their group during the discussion. f. The teacher checked the group task and instructs the students to give their comment about their project. g. The teacher gave the opportunity to the students about their obstacles during the learning activities. h. The teacher explained the students’ question. i. The teacher closed the material and gave the students homework. At the end of treatment, the writer gave the students a test, which is called posttest. Towards the ends, the score of pretest and posttest would compare in order to find the answer for the research question.

4. Instruments of the Research

In this research, the writer used reading test to know whether there is difference of students’ score in reading before and after using collaborative learning approach. The material of the test will be taken from the students’ handbook and other related book about reading passage. The test was divided into two parts. The first was pretest. It had been given before the treatment and the second one was posttest. It was given after the writer had given the treatment to the class. 1 Conceptual Definition Reading is an extremely complex activity. It is involving combination of linguistic and cognitive abilities. Relating to linguistic abilities, reading involves the recognition of letters, words, phrases, and clauses. It also needs some aspects of language competences such as vocabulary, structure, spelling and pronunciation. It has been discussed in preceding chapter. 2 Operational Definition Operational definition of reading test is reading passage which is covered by some items that can be answered by the students in the pretest and posttest. Hence, the writer would operate the students’ score of the test as the instrument of the research. 3 Specification Table 3.1 Specification of reading test No Theme Items Number Total 1 Getting information of the passage 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 21, 22 13 2 Find the main idea of the passage 9, 10, 23, 3 3 True and False of the sentences based on the passage 16, 17, 18, 19, 20 5 4 Reference 15, 24, 2 5 Synonym 11, 25 2 6 Identifying Cause and Effect 26, 27, 28, 29, 30 5 Total items 30

5. Population and Sample of the Research

The object of the research is the eighth grade of SMP Islam Nur Insan Tangerang. The eighth grade of this school consists of 34 students. The writer did not take the total population as sample. It was taken only 30 students of the eighth grade for the sample. 6. Procedures of Collecting Data Considering that the kinds of the research of the study are pre-experimental study, the writer has three steps that would be followed. The first step is giving students a pretest before they are taught by collaborative learning. The second step is applying the collaborative learning in reading activities. Then, as a final step, the writer gave the students a posttest.

7. Techniques of Data Analysis

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