CHAPTER III RESEARCH METHODOLOGY
This chapter will explain about design of the research, population and sample, instrumentation and method of data gathering, technique of data analysis,
and procedure.
A. Research Design
This study is conducted to get description and evaluation about students learning style in English department and their achievement at first semester of
State Institute for Islamic Studies Sultan Thaha Saifuddin Jambi in academic year 20082009.
This study is categorized as descriptive-evaluative in nature. It is called descriptive research because this study tries to describe and interpret a condition,
idea, a process, cause and effect, as well as a tendency occurred and it is also called a quantitative research because the writer uses some numerical data
analysed statistically.
24
And this study is also called evaluative because it tries to evaluate objectively about students learning style in English department and their
achievement at first semester of IAIN Sultan Thaha Saifuddin Jambi. The evaluation is conducted by way of analysing the student learning style and their
achievement. The data of this study can be categorized into qualitative and quantitative.
The data obtained from observation, and documentation are categorized into qualitative. Meanwhile, the data obtained from questionnaire are categorized into
quantitative. B.
Population and Sampling
24
Sanafiah Faisal. Metodologi penelitian pendidikan. Usaha Nasional. P.119
17
The population of this research is the first year students of English department. They are distributed into three parallel classes of English department
students. The population of this study is around 90 students, they are divided into class A, B, and C with 30 students every classes.
To decide the sample of this study is taken on the basis of purposive sampling. In purposive sampling the researcher establishes a set of criteria or list
and attribute that the study must process, then the researcher searches the subjects who match with the criteria.
25
In the descriptive research, it is desirable to have a minimum of 15 sample out of the population. In this case, the researcher is
going to find unlimited number of students who belong to each learner types. C.
Instrumentation
Technique of collecting data in this study was four kinds namely; Observation, Documentation, Questionnaire, and Test.
1. Observation
Observation is the main technique in collecting the data about students learning style in learning vocabulary in the physical classroom
atmosphere. The observation has already done in IAIN Sultan Thaha Saifuddin Jambi from July 2008 up to December 2008. the observation
was conducted six times while the lecturing of vocabulary course was going on.
2. Documentation
Documentation technique was also to obtained. The written data such as; a The lecturing preparation made by the lecturer, b
Vocabulary syllabi made by the lecturer, and c Students scores of vocabulary test.
25
Suharsimi Arikunto. Procedure penelitian. Rienneka Cipta. P.128
3. Questionnaire
The questionnaire was aimed at getting the data about students learning style in learning of vocabulary in first semester of IAIN Sultan
Thaha Saifuddin Jambi. The questionnaires consist of 27 items, the items based on four learner style type. The items of the questionnaire for
learning style are not in one group. In other words, they are randomly arranged.
4. Test
The materials for vocabulary test are taken on the basis of the vocabulary syllabus used by English department of State Institute for
Islamic Studies Sultan Thaha Saifuddin Jambi. The total numbers of test items are 50 items.
D. Techniques of Data Analysis
Kategori